{"schema_version":"alpha-company-profile-public-v2","slug":"arthur-j-gallagher-co","canonical_url":"https://registry.alpha.ac/companies/arthur-j-gallagher-co","published_on":"2026-09-13T04:45:09.174476+00:00","last_reviewed_on":"2026-09-13T04:45:09.174476+00:00","identity":{"legal_name":"Arthur J. Gallagher & Co.","display_name":"Arthur J. Gallagher & Co.","headline":"Canonical company identity and public leadership record.","description":"Alpha's canonical identity and public leadership record for Arthur J. Gallagher & Co..","ten_second_view":"This Company Profile publishes only Alpha's canonical identity and evidence-backed public leadership records. Unavailable fields are not inferred.","legal_form":"Not publicly asserted","incorporation":"DE","headquarters":"US","headquarters_address":{"locality":"Not publicly asserted","region":null,"country":"US"},"operating_presence":["US"],"website":"https://www.ajg.com","cik":"0000354190","logo":"https://cdn.brandfetch.io/ajg.com","logo_source":"brandfetch","profile_mark":{"src":"https://cdn.brandfetch.io/ajg.com","alt":"Arthur J. Gallagher & Co. logo","width":256,"height":256,"source":"brandfetch"}},"entity_status":{"ownership_type":"unknown","listing_status":"listed","label":"Public listing published","explanation":"The canonical public record includes at least one active security listing.","source_id":"alpha-canonical-company-record","reviewed_on":"2026-09-13T04:45:09.174476+00:00"},"security_listings":[{"ticker":"AJG","exchange":"NYSE","exchange_display":"NYSE","mic":"XNYS","currency":"Unavailable","security_type":"equity","listing_status":"active","is_primary":true,"source_id":"alpha-canonical-company-record"}],"market_data":{"availability":"unavailable","endpoint":null,"source_label":null,"explanation":"Market data is not published in this Company Profile."},"profile_tags":["Canonical identity","Public leadership"],"trust_summary":"Canonical identity published; broader company intelligence is not asserted.","facts":[{"label":"Legal name","value":"Arthur J. Gallagher & Co.","source_id":"alpha-canonical-company-record"},{"label":"Country","value":"US","source_id":"alpha-canonical-company-record"},{"label":"Jurisdiction","value":"DE","source_id":"alpha-canonical-company-record"},{"label":"Sector","value":"Financials","source_id":"alpha-canonical-company-record"},{"label":"Official website","value":"https://www.ajg.com","source_id":"alpha-company-website-provenance"}],"operating_model":{"eyebrow":"Operating record","title":"Published operating structure","units":[]},"governance":{"summary":"Only current, confirmed leadership roles with public evidence are included in the canonical projection.","boundary":"Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.","disclosures":[]},"alpha_opinion":{"status":"Not published","label":"No Alpha opinion published","explanation":"This identity record is not an Alpha rating, score, or investment opinion."},"report":{"status":"Not published","label":"No governed report published","explanation":"No governed company report is attached to this profile.","href":null},"actions":[{"label":"Visit official website","href":"https://www.ajg.com","emphasis":"primary"}],"related_records":[],"evidence":[{"id":"alpha-canonical-company-record","label":"Alpha canonical company public projection","href":"/api/public/companies/arthur-j-gallagher-co","source_type":"canonical_identity","supports":["Company identity","Published leadership","Entity status boundary"],"status":"published","reviewed_on":"2026-09-13T04:45:09.174476+00:00"},{"id":"alpha-company-website-provenance","label":"Arthur J. Gallagher & Co. Form 10-K (filed 2026-02-17)","href":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"SEC filing","supports":["Official website"],"status":"published","reviewed_on":"2026-08-29T22:20:23Z"}],"permissions":[{"label":"Public retrieval","allowed":true},{"label":"Agent retrieval","allowed":true},{"label":"Redistribution","allowed":false},{"label":"Model training","allowed":false},{"label":"Relationship pathfinding","allowed":false},{"label":"Direct contact","allowed":false}],"limitations":["Only explicitly published canonical company identity and current confirmed public roles are included.","Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.","Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.","This Company Profile is an identity and evidence record, not an Alpha rating."],"trust":{"schema_version":"alpha-profile-trust-v1","verification":{"schema_version":"alpha-verification-states-v1","state":"source_reported","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":29,"corroborated":0,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"Published claims are reported by public sources; none is Alpha verified. Profile ownership is unclaimed."},"aggregation":{"schema_version":"alpha-claim-aggregation-v1","published_claim_count":29,"under_review_claim_count":1,"owner_supplied_claim_count":0,"evidence_record_count":5,"distinct_source_count":4,"conflicts":[],"conflict_count":0,"headline_conflict_count":0,"internal_review_conflict_count":0,"contradiction_types":[],"headline_conflict_types":[],"verification":{"schema_version":"alpha-verification-states-v1","state":"source_reported","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":29,"corroborated":0,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"Published claims are reported by public sources; none is Alpha verified. Profile ownership is unclaimed."},"coverage":{"schema_version":"alpha-coverage-metric-v1","published_claims":29,"corroborated_claims":0,"sources":5,"distinct_sources":4,"role_claims":0,"last_reviewed_at":"2026-09-13T04:45:09.174476+00:00","observed_at":"2026-09-13T04:45:09.174476+00:00","freshness_days":0}},"rights":{"public_retrieval":"allowed","agent_retrieval":"allowed","redistribution":"not_granted","model_training":"not_granted","commercial_use":"not_specified","relationship_pathfinding":"not_granted","direct_contact":"not_granted"}},"projection":{"schema_version":"alpha-profile-projection-v5","entity":{"kind":"company","slug":"arthur-j-gallagher-co","canonical_url":"https://registry.alpha.ac/companies/arthur-j-gallagher-co"},"publication":{"published_at":"2026-09-13T04:45:09.174476+00:00","last_reviewed_at":"2026-09-13T04:45:09.174476+00:00","as_of":"2026-09-13T04:45:09.174476+00:00"},"representations":{"html":{"href":"https://registry.alpha.ac/companies/arthur-j-gallagher-co","media_type":"text/html"},"json":{"href":"https://registry.alpha.ac/api/public/companies/arthur-j-gallagher-co","media_type":"application/json"},"markdown":{"href":"https://registry.alpha.ac/companies/arthur-j-gallagher-co.md","media_type":"text/markdown"},"structured_data":{"embedded":true,"media_type":"application/ld+json"},"share_image":null},"permissions":{"public_retrieval":true,"agent_retrieval":true,"redistribution":false,"model_training":false,"relationship_pathfinding":false,"direct_contact":false}},"canonical_profile":{"schema_version":"alpha-company-profile-public-v1","slug":"arthur-j-gallagher-co","canonical_url":"https://registry.alpha.ac/companies/arthur-j-gallagher-co","as_of":"2026-09-13T04:45:09.174476+00:00","last_reviewed_at":"2026-09-13T04:45:09.174476+00:00","identity":{"legal_name":"Arthur J. Gallagher & Co.","display_name":"Arthur J. Gallagher & Co.","description":null,"jurisdiction":"DE","country":"US","sector":"Financials","industry":null,"website":"https://www.ajg.com","website_provenance":{"website":"https://www.ajg.com","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","retrieved_at":"2026-08-29T22:20:23Z","schema_version":"alpha-website-provenance-v1","source":"sec_10k_item_1","source_name":"Arthur J. Gallagher & Co. Form 10-K (filed 2026-02-17)","excerpt":"to Section 13(a) or 15(d) of the Exchange Act, are available free of charge on our website at http://investor.ajg.com/se","rights":"public_record_sec_filing"},"logo_url":"https://cdn.brandfetch.io/ajg.com","logo_media":null,"status":"active","cik":"0000354190","entity_subtype":null,"legal_entity_status":null},"security_listings":[{"mic":"XNYS","ticker":"AJG","currency":null,"exchange":"NYSE","sort_key":0,"valid_to":null,"confidence":0.95,"is_primary":true,"listing_id":"af1fb5c0-0b5b-44ea-aadd-bb062e93ebef","source_url":"https://www.sec.gov/files/company_tickers_exchange.json","valid_from":null,"observed_at":"2026-07-11T00:28:32+00:00","source_name":"sec_company_tickers_exchange","source_tier":1,"exchange_name":"New York Stock Exchange","security_type":"equity","listing_status":"active","last_checked_at":"2026-09-02T01:48:40.989053+00:00"}],"market_data":{"availability":"unavailable","endpoint":null,"source_label":null,"explanation":"Market observations are unpublished. Listing identity remains available from the governed source set."},"index_memberships":[],"index_membership_history":[],"index_membership_contract":{"schema_version":"alpha-index-membership-public-v1","as_of_date":"2026-09-13","tracked_universe_complete":false,"permissions":{"public_retrieval":true,"agent_retrieval":false,"redistribution":false,"model_training":false},"limitations":["Only source-backed memberships with an explicit public redistribution basis are returned.","Absence from Alpha tracked indices does not establish absence from every market index.","Provider announcements and effective membership are represented as distinct states.","Alpha AI 100 is not published as a current public index membership."]},"leadership":{"board":[{"person_slug":"pat-gallagher","display_name":"Pat Gallagher","role_category":"director","title":"Chair","committee":null,"is_board_chair":true,"is_independent":false,"start_date":null,"end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/33245084-2c5a-47d4-9061-a7ed3dba3b49.jpg"},{"person_slug":"chris-miskel","display_name":"Chris Miskel","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2020-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/8505628c-ced7-4cf5-9c75-85388e86e7df.jpg"},{"person_slug":"david-johnson","display_name":"David Johnson","role_category":"director","title":"Lead Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2003-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/e9c320d9-0625-433f-a41b-954920d23e55.jpg"},{"person_slug":"deborah-caplan","display_name":"Deborah Caplan","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2024-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/25ff9fa9-3f1b-4871-a882-4e830428a17c.jpg"},{"person_slug":"john-coldman","display_name":"John Coldman","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2014-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/74b4820d-b55e-4398-aaba-3f2f3d30db87.jpg"},{"person_slug":"norman-rosenthal","display_name":"Norman Rosenthal","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2008-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/1f714e34-10f7-4ea1-896b-500183f5e6a1.jpg"},{"person_slug":"ralph-nicoletti","display_name":"Ralph Nicoletti","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2016-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/30b11ba6-2afe-4690-ba17-21768ae60814.jpg"},{"person_slug":"richard-harries","display_name":"Richard Harries","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2024-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/d717f2ab-ee3e-4600-a155-9154ec20c99c.jpg"},{"person_slug":"teresa-clarke","display_name":"Teresa Clarke","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2021-01-01","end_date":null,"verification_status":"confirmed","confidence":0.85,"evidence":{"document_title":"Arthur J. Gallagher & Co. DEF 14A 2026-03-23","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000035419026000101/ajg-20260323.htm","source_type":"sec_proxy","published_at":"2026-03-23T20:34:52+00:00","effective_date":"2026-03-23","last_checked_at":"2026-03-25T04:08:00.386+00:00"},"headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/cee972bb-3b32-464f-94a3-cd9109f2f255.jpg"}],"executives":[{"person_slug":"christopher-e-mead-ajg","display_name":"Christopher E. Mead","role_category":"executive","title":"Corporate Vice President, Chief Marketing Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:52.002519+00:00"},"headshot_url":null},{"person_slug":"douglas-k-howell-ajg","display_name":"Douglas K. Howell","role_category":"executive","title":"Corporate Vice President, Chief Financial Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:50.416419+00:00"},"headshot_url":null},{"person_slug":"j-patrick-gallagher-jr","display_name":"J. Patrick Gallagher, Jr.","role_category":"executive","title":"Chairman and Chief Executive Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:47.617301+00:00"},"headshot_url":null},{"person_slug":"mark-h-bloom-ajg","display_name":"Mark H. Bloom","role_category":"executive","title":"Corporate Vice President and Global Chief Information Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:49.835913+00:00"},"headshot_url":null},{"person_slug":"michael-r-pesch-ajg","display_name":"Michael R. Pesch","role_category":"executive","title":"Corporate Vice President, Chief Executive Officer, Global Brokerage Americas","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:52.539068+00:00"},"headshot_url":null},{"person_slug":"patrick-m-gallagher-ajg","display_name":"Patrick M. Gallagher","role_category":"executive","title":"Executive Vice President, Chief Operating Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:48.712539+00:00"},"headshot_url":null},{"person_slug":"scott-r-hudson-ajg","display_name":"Scott R. Hudson","role_category":"executive","title":"Corporate Vice President and President of our Risk Management Operations since 2010","committee":null,"is_board_chair":false,"is_independent":null,"start_date":null,"end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG executive roster source","source_url":null,"source_type":"sec_filing","published_at":null,"effective_date":"2026-05-03","last_checked_at":"2026-05-03T15:43:10.438069+00:00"},"headshot_url":null},{"person_slug":"sherrill-w-hudson","display_name":"Sherrill W. Hudson","role_category":"executive","title":"Corporate Vice President and President of Risk Management Operations","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:50.926314+00:00"},"headshot_url":null},{"person_slug":"susan-e-pietrucha-ajg","display_name":"Susan E. Pietrucha","role_category":"executive","title":"Corporate Vice President, Chief Human Resource Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:53.053871+00:00"},"headshot_url":null},{"person_slug":"thomas-j-gallagher-ajg","display_name":"Thomas J. Gallagher","role_category":"executive","title":"President","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:48.152898+00:00"},"headshot_url":null},{"person_slug":"vishal-jain-ajg","display_name":"Vishal Jain","role_category":"executive","title":"Corporate Vice President and Chief Service Officer","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:51.482745+00:00"},"headshot_url":null},{"person_slug":"walter-d-bay-ajg","display_name":"Walter D. Bay","role_category":"executive","title":"Corporate Vice President, General Counsel, Secretary","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:49.303906+00:00"},"headshot_url":null},{"person_slug":"william-f-ziebell-ajg","display_name":"William F. Ziebell","role_category":"executive","title":"President of Employee Benefit and Consulting Brokerage Operations","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-02-17","end_date":null,"verification_status":"confirmed","confidence":0.94,"evidence":{"document_title":"AJG 10-K executive officers","source_url":"https://www.sec.gov/Archives/edgar/data/354190/000162828026008662/ajg-20251231.htm","source_type":"sec_filing","published_at":"2026-02-17T00:00:00+00:00","effective_date":"2026-02-17","last_checked_at":"2026-05-04T18:21:53.576012+00:00"},"headshot_url":null}],"coverage":{"schema_version":"alpha-leadership-coverage-v1","board_roster_scope":"def_14a_current_directors","executive_roster_scope":"disclosed_officers_only","neo_set_status":"NOT_ASSERTED","board_roster_complete":false,"neo_set_complete":false,"notes":["Empty executives is NOT_ASSERTED, not a complete named-executive-officer set.","Form 4 occupancy is not a DEF 14A board.","Unconfirmed current sec_proxy DEF 14A directors may project. Confirmed is not required.","Unconfirmed current executives with first-party issuer evidence (source_url + effective date) may project.","Company-page directors do not require people.public_profile_enabled.","Completeness compares the latest first-party roster with the public projection; a source older than 180 days is STALE.","Do not remap HONA to HON 0000773840. Do not merge XOM 0000034088 with 0002115436.","Person match is projection-only. Name-only Person merges are forbidden."],"completeness":{"reasons":["NO_LEADERSHIP_SOURCE"],"board_completeness":"NOT_REVIEWED","completeness_schema":"alpha-leadership-completeness-v1","executive_team_completeness":"NOT_REVIEWED"},"parser_bleed_excluded":true,"former_titles_excluded":true,"identity_merge_forbidden":true,"form4_occupancy_is_not_board":true}},"permissions":{"classification":"open_public_projection","public_retrieval":true,"agent_retrieval":true,"redistribution":false,"model_training":false,"relationship_pathfinding":false,"direct_contact":false},"limitations":["Only explicitly published canonical company identity and current confirmed public roles are included.","Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.","Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.","This Company Profile is an identity and evidence record, not an Alpha rating."],"structured_data":{"@context":["https://schema.org",{"alpha":"https://alpha.ac/ns/","indexMembership":"alpha:indexMembership","indexProvider":"alpha:indexProvider","indexMembershipStatus":"alpha:indexMembershipStatus","indexEffectiveDate":"alpha:indexEffectiveDate","indexAnnouncementDate":"alpha:indexAnnouncementDate","indexRemovalDate":"alpha:indexRemovalDate","lastVerifiedAt":"alpha:lastVerifiedAt","verificationStatus":"alpha:verificationStatus","evidence":"alpha:evidence"}],"@type":"ProfilePage","@id":"https://registry.alpha.ac/companies/arthur-j-gallagher-co#profile","url":"https://registry.alpha.ac/companies/arthur-j-gallagher-co","dateModified":"2026-09-13T04:45:09.174476+00:00","mainEntity":{"@type":"Organization","@id":"https://registry.alpha.ac/companies/arthur-j-gallagher-co#organization","legalName":"Arthur J. Gallagher & Co.","name":"Arthur J. Gallagher & Co.","url":"https://registry.alpha.ac/companies/arthur-j-gallagher-co","sameAs":["https://www.ajg.com"],"logo":"https://cdn.brandfetch.io/ajg.com","addressCountry":"US","indexMembership":[{"@type":"alpha:IndexMembership","@id":"https://api.alpha.ac/v1/index-memberships/1e6ae96c-f046-40c1-8511-578550a2f46f","name":"S&P 500","indexProvider":"S&P Dow Jones Indices","indexMembershipStatus":"current","indexEffectiveDate":"2016-05-31","lastVerifiedAt":"2026-09-02T01:46:54.035948+00:00","verificationStatus":"inferred","evidence":"https://www.slickcharts.com/sp500","additionalProperty":[{"@type":"PropertyValue","name":"index_id","value":"alpha:index:sp-500"},{"@type":"PropertyValue","name":"security_id","value":"alpha:security:c89507ba31f24e60744dfe7818f640e0"},{"@type":"PropertyValue","name":"listing_id","value":"af1fb5c0-0b5b-44ea-aadd-bb062e93ebef"},{"@type":"PropertyValue","name":"ticker","value":"AJG"},{"@type":"PropertyValue","name":"exchange","value":"NYSE"},{"@type":"PropertyValue","name":"MIC","value":"XNYS"}]}],"member":[{"@type":"OrganizationRole","roleName":"Chair","member":{"@type":"Person","name":"Pat Gallagher","url":"https://registry.alpha.ac/people/pat-gallagher"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2020-01-01","member":{"@type":"Person","name":"Chris Miskel","url":"https://registry.alpha.ac/people/chris-miskel"}},{"@type":"OrganizationRole","roleName":"Lead Independent Director","startDate":"2003-01-01","member":{"@type":"Person","name":"David Johnson","url":"https://registry.alpha.ac/people/david-johnson"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2024-01-01","member":{"@type":"Person","name":"Deborah Caplan","url":"https://registry.alpha.ac/people/deborah-caplan"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2014-01-01","member":{"@type":"Person","name":"John Coldman","url":"https://registry.alpha.ac/people/john-coldman"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2008-01-01","member":{"@type":"Person","name":"Norman Rosenthal","url":"https://registry.alpha.ac/people/norman-rosenthal"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2016-01-01","member":{"@type":"Person","name":"Ralph Nicoletti","url":"https://registry.alpha.ac/people/ralph-nicoletti"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2024-01-01","member":{"@type":"Person","name":"Richard Harries","url":"https://registry.alpha.ac/people/richard-harries"}},{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2021-01-01","member":{"@type":"Person","name":"Teresa Clarke","url":"https://registry.alpha.ac/people/teresa-clarke"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President, Chief Marketing Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Christopher E. Mead","url":"https://registry.alpha.ac/people/christopher-e-mead-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President, Chief Financial Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Douglas K. Howell","url":"https://registry.alpha.ac/people/douglas-k-howell-ajg"}},{"@type":"OrganizationRole","roleName":"Chairman and Chief Executive Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"J. Patrick Gallagher, Jr.","url":"https://registry.alpha.ac/people/j-patrick-gallagher-jr"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President and Global Chief Information Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Mark H. Bloom","url":"https://registry.alpha.ac/people/mark-h-bloom-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President, Chief Executive Officer, Global Brokerage Americas","startDate":"2026-02-17","member":{"@type":"Person","name":"Michael R. Pesch","url":"https://registry.alpha.ac/people/michael-r-pesch-ajg"}},{"@type":"OrganizationRole","roleName":"Executive Vice President, Chief Operating Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Patrick M. Gallagher","url":"https://registry.alpha.ac/people/patrick-m-gallagher-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President and President of our Risk Management Operations since 2010","member":{"@type":"Person","name":"Scott R. Hudson","url":"https://registry.alpha.ac/people/scott-r-hudson-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President and President of Risk Management Operations","startDate":"2026-02-17","member":{"@type":"Person","name":"Sherrill W. Hudson","url":"https://registry.alpha.ac/people/sherrill-w-hudson"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President, Chief Human Resource Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Susan E. Pietrucha","url":"https://registry.alpha.ac/people/susan-e-pietrucha-ajg"}},{"@type":"OrganizationRole","roleName":"President","startDate":"2026-02-17","member":{"@type":"Person","name":"Thomas J. Gallagher","url":"https://registry.alpha.ac/people/thomas-j-gallagher-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President and Chief Service Officer","startDate":"2026-02-17","member":{"@type":"Person","name":"Vishal Jain","url":"https://registry.alpha.ac/people/vishal-jain-ajg"}},{"@type":"OrganizationRole","roleName":"Corporate Vice President, General Counsel, Secretary","startDate":"2026-02-17","member":{"@type":"Person","name":"Walter D. Bay","url":"https://registry.alpha.ac/people/walter-d-bay-ajg"}},{"@type":"OrganizationRole","roleName":"President of Employee Benefit and Consulting Brokerage Operations","startDate":"2026-02-17","member":{"@type":"Person","name":"William F. Ziebell","url":"https://registry.alpha.ac/people/william-f-ziebell-ajg"}}]},"mainEntityOfPage":"https://registry.alpha.ac/companies/arthur-j-gallagher-co"}},"canonical_source":"aegis_canonical"}