{"schema_version":"alpha-profile-public-v1","slug":"william-c-stone","canonical_url":"https://registry.alpha.ac/people/william-c-stone","as_of":"2026-09-03T00:30:54.243217+00:00","published_at":"2026-09-02T02:37:20.721048+00:00","last_reviewed_at":"2026-05-12T06:21:50.691+00:00","identity":{"display_name":"William C. Stone","headshot_url":null,"headshot_media":null,"profile_kind":"director","role_tags":["director","executive","board"],"current_role":null},"assurance":{"is_claimed":false,"status":"unverified","assurance_level":null,"method":null,"verified_at":null,"expires_at":null},"claiming":{"eligible":true,"label":"Is this you? Claim your Alpha Profile","claim_url":"https://terminal.alpha.ac/claim-profile?person=william-c-stone","suggest_edit_label":"Suggest an edit","suggest_edit_url":"https://terminal.alpha.ac/claim-profile?person=william-c-stone&mode=suggest","canonical_record_will_be_reused":true,"canonical_facts_owner_controlled":false},"roles":[],"claims":[{"claim_type":"ai_expertise","claim_value":{"detail":"Chairman of the Board and Chief Executive Officer of SS&C Technologies Holdings, Inc.","ai_expertise":true},"claim_text":"SEC-derived executive row classified AI expertise as True.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T15:43:35.418274+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC executive roster source","source_type":"sec_filing","source_tier":3,"source_url":null,"published_at":null,"last_checked_at":"2026-05-03T15:42:46.078593+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"ai_governance_relevance","claim_value":{"reasons":["biography_scope_ai_governance_adjacent","role_ceo","sec_derived_ai_expertise_signal"],"relevant":true},"claim_text":"AI-governance relevance classified as True from role/title and SEC-derived executive context.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T15:43:35.418274+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC executive roster source","source_type":"sec_filing","source_tier":3,"source_url":null,"published_at":null,"last_checked_at":"2026-05-03T15:42:46.078593+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Proxy extraction classified AI/ML experience for William C. Stone as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.85786+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Executive extraction classified AI/ML experience for William C. Stone as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:20.360773+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","published_at":"2026-02-26T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:20.097362+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_membership","claim_value":{"ticker":"SSNC","role_type":"Chair","organization":"SS&C Technologies"},"claim_text":"Serves on the board of SS&C Technologies as Chair.","claim_state":"verified","valid_from":"1986-01-01","valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:42.619055+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SS&C Technologies director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:45.110153+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_role","claim_value":"Chair","claim_text":"William C. Stone currently serves as Chair at SS&C Technologies.","claim_state":"verified","valid_from":"2026-04-08","valid_to":null,"confidence":0.92,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.823154+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":[],"claim_text":"William C. Stone serves on no disclosed committees.","claim_state":"verified","valid_from":"2026-04-08","valid_to":null,"confidence":0.88,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.840109+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"current_executive_company","claim_value":"SS&C Technologies Holdings, Inc.","claim_text":"William C. Stone is linked to SS&C Technologies Holdings, Inc. as an operating executive.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.85,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.957213+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"current_executive_role","claim_value":"Chairman of the Board and Chief Executive Officer","claim_text":"William C. Stone is also listed as Chairman of the Board and Chief Executive Officer.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.85,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.939637+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Executive extraction classified cybersecurity experience for William C. Stone as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:20.407577+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","published_at":"2026-02-26T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:20.097362+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Proxy extraction classified cybersecurity experience for William C. Stone as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.889622+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"director_since","claim_value":{"start_date":null,"director_since":1986},"claim_text":"Director tenure at SS&C Technologies begins from 1986.","claim_state":"verified","valid_from":"1986-01-01","valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:42.619055+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SS&C Technologies director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:45.110153+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_company","claim_value":"SS&C Technologies","claim_text":"William C. Stone is associated with SS&C Technologies.","claim_state":"verified","valid_from":"2026-02-26","valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:20.335897+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","published_at":"2026-02-26T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:20.097362+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_company","claim_value":{"ticker":"SSNC","company":"SS&C Technologies"},"claim_text":"William C. Stone is associated with SS&C Technologies.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T15:43:35.418274+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC executive roster source","source_type":"sec_filing","source_tier":3,"source_url":null,"published_at":null,"last_checked_at":"2026-05-03T15:42:46.078593+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_function","claim_value":{"role_family":"enterprise_leadership","role_type_normalized":"ceo"},"claim_text":"William C. Stone maps to the enterprise leadership executive function.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T15:43:35.418274+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC executive roster source","source_type":"sec_filing","source_tier":3,"source_url":null,"published_at":null,"last_checked_at":"2026-05-03T15:42:46.078593+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_title","claim_value":"Chairman of the Board and Chief Executive Officer","claim_text":"William C. Stone is listed as Chairman of the Board and Chief Executive Officer at SS&C Technologies.","claim_state":"verified","valid_from":"2026-02-26","valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:20.291004+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","published_at":"2026-02-26T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:20.097362+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_title","claim_value":{"title":"Chairman of the Board and Chief Executive Officer","role_type_normalized":"ceo"},"claim_text":"William C. Stone is listed as Chairman of the Board and Chief Executive Officer at SS&C Technologies.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T15:43:35.418274+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC executive roster source","source_type":"sec_filing","source_tier":3,"source_url":null,"published_at":null,"last_checked_at":"2026-05-03T15:42:46.078593+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"independence_status","claim_value":{"is_independent":false},"claim_text":"Board independence status at SS&C Technologies: False.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:42.619055+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SS&C Technologies director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:45.110153+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Proxy extraction classified technology background for William C. Stone as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:50.873577+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","published_at":"2026-04-08T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:50.75396+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Executive extraction classified technology background for William C. Stone as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-12T06:21:20.385247+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"SSNC 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","published_at":"2026-02-26T00:00:00+00:00","last_checked_at":"2026-05-12T06:21:20.097362+00:00","relation":"supports","excerpt_locator":null}]}],"network":{"schema_version":"alpha-profile-network-public-v1","relationships":[],"relationship_pathfinding":false,"authentication_prompt":"Sign in to see how you're connected.","limitations":["Representative factual associations only.","Shared contexts do not assert personal acquaintance.","Anonymous graph traversal is not available."]},"permissions":{"classification":"open_public_projection","public_retrieval":true,"agent_retrieval":true,"redistribution":false,"model_training":false,"relationship_pathfinding":false,"direct_contact":false},"limitations":["Only permissioned public claims and evidence are included.","Absence of a claim is not evidence that the underlying fact is false.","Public retrieval does not grant model-training or redistribution rights.","Private relationships and Council activity are excluded."],"structured_data":{"@context":"https://schema.org","@type":"ProfilePage","@id":"https://registry.alpha.ac/people/william-c-stone#profile","url":"https://registry.alpha.ac/people/william-c-stone","dateModified":"2026-05-12T06:21:50.691+00:00","mainEntity":{"@type":"Person","@id":"https://registry.alpha.ac/people/william-c-stone#person","name":"William C. Stone","url":"https://registry.alpha.ac/people/william-c-stone"},"isBasedOn":[{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526147619/ssnc-20260408.htm","name":"SSNC DEF 14A director slate"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/1402436/000119312526076745/ssnc-20251231.htm","name":"SSNC 10-K executive officers"}],"mainEntityOfPage":"https://registry.alpha.ac/people/william-c-stone"},"presentation":null,"presentation_authority":"not_published","trust":{"schema_version":"alpha-profile-trust-v1","verification":{"schema_version":"alpha-verification-states-v1","state":"corroborated","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":8,"corroborated":5,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"At least one published claim is corroborated by two or more public sources. Profile ownership is unclaimed."},"aggregation":{"schema_version":"alpha-claim-aggregation-v1","published_claim_count":13,"under_review_claim_count":0,"owner_supplied_claim_count":0,"evidence_record_count":4,"distinct_source_count":3,"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":"corroborated","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":8,"corroborated":5,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"At least one published claim is corroborated by two or more public sources. Profile ownership is unclaimed."},"coverage":{"schema_version":"alpha-coverage-metric-v1","published_claims":13,"corroborated_claims":5,"sources":4,"distinct_sources":3,"role_claims":0,"last_reviewed_at":"2026-05-12T06:21:50.691+00:00","observed_at":"2026-09-03T00:30:54.243217+00:00","freshness_days":114}},"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":"person","slug":"william-c-stone","canonical_url":"https://registry.alpha.ac/people/william-c-stone"},"publication":{"published_at":"2026-09-02T02:37:20.721048+00:00","last_reviewed_at":"2026-05-12T06:21:50.691+00:00","as_of":"2026-09-03T00:30:54.243217+00:00"},"representations":{"html":{"href":"https://registry.alpha.ac/people/william-c-stone","media_type":"text/html"},"json":{"href":"https://registry.alpha.ac/api/public/profiles/william-c-stone","media_type":"application/json"},"markdown":{"href":"https://registry.alpha.ac/people/william-c-stone.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}}}