{"schema_version":"alpha-profile-public-v1","slug":"james-d-plummer","canonical_url":"https://registry.alpha.ac/people/james-d-plummer","as_of":"2026-09-21T14:04:23.997016+00:00","published_at":"2026-04-21T02:55:15.270549+00:00","last_reviewed_at":"2026-05-14T12:22:33.049+00:00","identity":{"display_name":"James D. Plummer","headshot_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","headshot_media":{"asset_id":"alpha-profile-portrait:james-d-plummer:v1","canonical_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","alt_text":"Portrait of James D. Plummer","caption":"James D. Plummer profile portrait","source_name":"Alpha governed canonical profile record","source_url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","rights":null,"authenticity_class":null,"published_at":"2026-04-21T02:55:15.270549+00:00","current_version":1},"profile_kind":"director","role_tags":["director","board"],"current_role":{"company_name":"Cadence Design Systems","company_slug":"cadence-design-systems-inc","exchange":"NASDAQ","ticker":"CDNS","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2011-01-01","valid_to":null,"is_current":true,"verification_status":"confirmed","confidence":0.85,"evidence":{"source_type":"sec_proxy","source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","effective_date":"2026-03-25","last_checked_at":"2026-05-03T01:33:31.28+00:00"}},"photo_match":"person_record"},"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=james-d-plummer","suggest_edit_label":"Suggest an edit","suggest_edit_url":"https://terminal.alpha.ac/claim-profile?person=james-d-plummer&mode=suggest","canonical_record_will_be_reused":true,"canonical_facts_owner_controlled":false},"presentation":{"schema_version":"alpha-profile-presentation-v1","state":"alpha_editorial","version":0,"published_at":null,"headline":null,"headline_evidence":null,"location":null,"photo":null,"cover":null,"about":["Dr. Plummer has been a professor of electrical engineering at Stanford University since 1978 and served as Dean of the Stanford School of Engineering from 1999 to 2014. He is a member of the National Academy of Engineering and directed the Stanford Nanofabrication Facility from 1994 to 2000. In 2023, he was selected as the inaugural Chair of the National Semiconductor Technology Center's board of trustees."],"links":[],"sources":[],"featured":[],"competencies":[],"board_preferences":null,"board_service":[{"organization":"Cadence Design Systems","organizationId":"cadence-design-systems-inc","title":"Independent Director","period":"2011-01-01 · current","evidenceLabel":"sec_proxy","evidenceState":"verified","sourceUrl":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm"}],"experience":[],"education":[],"credentials":[],"section_order":null,"hidden_sections":[],"limitations":["Presentation fields do not alter independently verified Alpha Profile facts.","Owner-supplied résumé records retain their field-level evidence state.","Only confirmed company_person_roles with public evidence. Website governed_site_fallback rows are not invented. about/links are stored people.profile_summary/bio and linkedin_url only. Dates stay undisclosed when the role has no start_date. SoFi Bank is not SoFi Technologies."]},"presentation_authority":"confirmed_company_person_roles","roles":[{"company_name":"Cadence Design Systems","company_slug":"cadence-design-systems-inc","exchange":"NASDAQ","ticker":"CDNS","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2011-01-01","valid_to":null,"is_current":true,"verification_status":"confirmed","confidence":0.85,"evidence":{"source_type":"sec_proxy","source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","effective_date":"2026-03-25","last_checked_at":"2026-05-03T01:33:31.28+00:00"}}],"claims":[{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Proxy extraction classified AI/ML experience for James D. Plummer as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T12:22:33.209777+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"CDNS DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","published_at":"2026-03-25T00:00:00+00:00","last_checked_at":"2026-05-14T12:22:33.107124+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_membership","claim_value":{"ticker":"CDNS","role_type":"Director","organization":"Cadence Design Systems, Inc."},"claim_text":"Serves on the board of Cadence Design Systems, Inc. as Director.","claim_state":"verified","valid_from":"2011-01-01","valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:39.296548+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Cadence Design Systems, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312525062605/d877390ddef14a.htm","published_at":"2025-03-25T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:43.848553+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_role","claim_value":"Director","claim_text":"James D. Plummer currently serves as Director at Cadence Design Systems, Inc..","claim_state":"verified","valid_from":"2026-03-25","valid_to":null,"confidence":0.92,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T12:22:33.173286+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"CDNS DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","published_at":"2026-03-25T00:00:00+00:00","last_checked_at":"2026-05-14T12:22:33.107124+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":["Audit"],"claim_text":"James D. Plummer serves on Audit.","claim_state":"verified","valid_from":"2026-03-25","valid_to":null,"confidence":0.88,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T12:22:33.192248+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"CDNS DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","published_at":"2026-03-25T00:00:00+00:00","last_checked_at":"2026-05-14T12:22:33.107124+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":{"committees":["Audit"]},"claim_text":"Committee assignments at Cadence Design Systems, Inc.: Audit.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:39.296548+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Cadence Design Systems, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312525062605/d877390ddef14a.htm","published_at":"2025-03-25T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:43.848553+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Proxy extraction classified cybersecurity experience for James D. Plummer as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T12:22:33.243809+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"CDNS DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","published_at":"2026-03-25T00:00:00+00:00","last_checked_at":"2026-05-14T12:22:33.107124+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"director_since","claim_value":{"start_date":null,"director_since":2011},"claim_text":"Director tenure at Cadence Design Systems, Inc. begins from 2011.","claim_state":"verified","valid_from":"2011-01-01","valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:39.296548+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Cadence Design Systems, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312525062605/d877390ddef14a.htm","published_at":"2025-03-25T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:43.848553+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"independence_status","claim_value":{"is_independent":true},"claim_text":"Board independence status at Cadence Design Systems, Inc.: True.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:39.296548+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Cadence Design Systems, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312525062605/d877390ddef14a.htm","published_at":"2025-03-25T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:43.848553+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Proxy extraction classified technology background for James D. Plummer as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T12:22:33.228233+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"CDNS DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","published_at":"2026-03-25T00:00:00+00:00","last_checked_at":"2026-05-14T12:22:33.107124+00:00","relation":"supports","excerpt_locator":null}]},{"subject":"alpha:person:james-d-plummer","claim_type":"board_service","claim_value":{"tags":[],"title":"Independent Director","period":"2011-01-01 · current","organization":"Cadence Design Systems","organization_id":"cadence-design-systems-inc"},"claim_text":"Independent Director at Cadence Design Systems (2011-01-01 · current)","valid_from":null,"valid_to":null,"verification_status":"confirmed","date_precision":"period_text_only","evidence":[{"source_url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","label":"sec_proxy","evidence_state":"verified"}],"claim_state":"confirmed","version":1}],"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/james-d-plummer#profile","url":"https://registry.alpha.ac/people/james-d-plummer","dateModified":"2026-05-14T12:22:33.049+00:00","primaryImageOfPage":{"@type":"ImageObject","@id":"https://registry.alpha.ac/people/james-d-plummer#portrait","identifier":"alpha-profile-portrait:james-d-plummer:v1","contentUrl":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","caption":"James D. Plummer profile portrait","creditText":"Alpha governed canonical profile record","datePublished":"2026-04-21T02:55:15.270549+00:00","representativeOfPage":true},"mainEntity":{"@type":"Person","@id":"https://registry.alpha.ac/people/james-d-plummer#person","name":"James D. Plummer","image":{"@type":"ImageObject","@id":"https://registry.alpha.ac/people/james-d-plummer#portrait","identifier":"alpha-profile-portrait:james-d-plummer:v1","contentUrl":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","url":"https://qzvwmfoixeflcbvpqboy.supabase.co/storage/v1/object/public/director-photos/directors/2f29f300-f3b3-4f70-bd3c-d1c277b20804.jpg","caption":"James D. Plummer profile portrait","creditText":"Alpha governed canonical profile record","datePublished":"2026-04-21T02:55:15.270549+00:00","representativeOfPage":true},"url":"https://registry.alpha.ac/people/james-d-plummer","jobTitle":"Independent Director","worksFor":{"@type":"Organization","name":"Cadence Design Systems","tickerSymbol":"NASDAQ: CDNS"},"affiliation":[{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2011-01-01","memberOf":{"@type":"Organization","name":"Cadence Design Systems","url":"https://registry.alpha.ac/companies/cadence-design-systems-inc","tickerSymbol":"NASDAQ: CDNS"}}]},"isBasedOn":[{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/813672/000119312526124264/d932644ddef14a.htm","name":"CDNS DEF 14A director slate"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/813672/000119312525062605/d877390ddef14a.htm","name":"Cadence Design Systems, Inc. director board source"}],"mainEntityOfPage":"https://registry.alpha.ac/people/james-d-plummer"},"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":1,"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":9,"under_review_claim_count":0,"owner_supplied_claim_count":0,"evidence_record_count":4,"distinct_source_count":2,"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":1,"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":9,"corroborated_claims":1,"sources":4,"distinct_sources":2,"role_claims":1,"last_reviewed_at":"2026-05-14T12:22:33.049+00:00","observed_at":"2026-09-21T14:04:23.997016+00:00","freshness_days":130}},"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":"james-d-plummer","canonical_url":"https://registry.alpha.ac/people/james-d-plummer"},"publication":{"published_at":"2026-04-21T02:55:15.270549+00:00","last_reviewed_at":"2026-05-14T12:22:33.049+00:00","as_of":"2026-09-21T14:04:23.997016+00:00"},"representations":{"html":{"href":"https://registry.alpha.ac/people/james-d-plummer","media_type":"text/html"},"json":{"href":"https://registry.alpha.ac/api/public/profiles/james-d-plummer","media_type":"application/json"},"markdown":{"href":"https://registry.alpha.ac/people/james-d-plummer.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}}}