{"schema_version":"alpha-profile-public-v1","slug":"ernest-e-maddock","canonical_url":"https://registry.alpha.ac/people/ernest-e-maddock","as_of":"2026-09-21T13:40:32.376628+00:00","published_at":"2026-04-21T02:55:15.270549+00:00","last_reviewed_at":"2026-05-16T04:30:28.335+00:00","identity":{"display_name":"Ernest E. Maddock","headshot_url":null,"headshot_media":null,"profile_kind":"director","role_tags":["director","board","executive"],"current_role":{"company_name":"Teradyne","company_slug":"teradyne-inc","exchange":"NASDAQ","ticker":"TER","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2022-01-01","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/97210/000119312526127504/ter-20260325.htm","effective_date":"2026-03-27","last_checked_at":"2026-05-03T01:24:00.891+00:00"}},"photo_match":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=ernest-e-maddock","suggest_edit_label":"Suggest an edit","suggest_edit_url":"https://terminal.alpha.ac/claim-profile?person=ernest-e-maddock&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":["Senior Vice President and CFO of Micron Technology from 2015 to 2018. Over 35 years of experience in technology industry in operations, technology and finance roles including 10 years as public company CFO. Previously served as CFO of Riverbed Technology and Lam Research Corporation."],"links":[],"sources":[],"featured":[],"competencies":[],"board_preferences":null,"board_service":[{"organization":"Teradyne","organizationId":"teradyne-inc","title":"Independent Director","period":"2022-01-01 · current","evidenceLabel":"sec_proxy","evidenceState":"verified","sourceUrl":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm"},{"organization":"AVNET INC","organizationId":"avnet-inc","title":"Director","period":"Current · start date not disclosed","evidenceLabel":"sec_form_ownership","evidenceState":"verified","sourceUrl":"https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml"}],"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":"Teradyne","company_slug":"teradyne-inc","exchange":"NASDAQ","ticker":"TER","role_category":"director","title":"Independent Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2022-01-01","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/97210/000119312526127504/ter-20260325.htm","effective_date":"2026-03-27","last_checked_at":"2026-05-03T01:24:00.891+00:00"}},{"company_name":"AVNET INC","company_slug":"avnet-inc","exchange":"NASDAQ","ticker":"AVT","role_category":"director","title":"Director","committee":null,"is_board_chair":false,"is_independent":null,"valid_from":null,"valid_to":null,"is_current":true,"verification_status":"confirmed","confidence":1,"evidence":{"source_type":"sec_form_ownership","source_url":"https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml","effective_date":"2026-06-17","last_checked_at":"2026-08-05T09:53:02.351+00:00"}}],"claims":[{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Proxy extraction classified AI/ML experience for Ernest E. Maddock as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T04:30:28.488655+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"TER DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","published_at":"2026-03-27T00:00:00+00:00","last_checked_at":"2026-05-16T04:30:28.391953+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Executive extraction classified AI/ML experience for Ernest Maddock as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-05T00:23:25.050479+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"OUST 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","published_at":"2026-03-02T00:00:00+00:00","last_checked_at":"2026-05-05T00:23:24.775407+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_membership","claim_value":{"ticker":"TER","role_type":"Director","organization":"Teradyne, Inc."},"claim_text":"Serves on the board of Teradyne, Inc. as Director.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:46.340853+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Teradyne, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/0000097210/000095017025046345/ter-20250326.htm","published_at":"2025-03-28T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:46.353365+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_role","claim_value":"Director","claim_text":"Ernest E. Maddock currently serves as Director at Teradyne, Inc..","claim_state":"verified","valid_from":"2026-03-27","valid_to":null,"confidence":0.92,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T04:30:28.456899+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"TER DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","published_at":"2026-03-27T00:00:00+00:00","last_checked_at":"2026-05-16T04:30:28.391953+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_role","claim_value":"Director","claim_text":"Ernest E. Maddock currently serves as Director at Avnet Inc.","claim_state":"verified","valid_from":"2025-10-07","valid_to":null,"confidence":0.92,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T00:23:17.287184+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"AVT DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/8858/000110465925097498/tm2516396-1_def14a.htm","published_at":"2025-10-07T00:00:00+00:00","last_checked_at":"2026-05-14T00:23:17.219856+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":["Audit"],"claim_text":"Ernest E. Maddock serves on Audit.","claim_state":"verified","valid_from":"2026-03-27","valid_to":null,"confidence":0.88,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T04:30:28.472981+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"TER DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","published_at":"2026-03-27T00:00:00+00:00","last_checked_at":"2026-05-16T04:30:28.391953+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":["Audit","Executive","Technology"],"claim_text":"Ernest E. Maddock serves on Audit, Executive, Technology.","claim_state":"verified","valid_from":"2025-10-07","valid_to":null,"confidence":0.88,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-14T00:23:17.305289+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"AVT DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/8858/000110465925097498/tm2516396-1_def14a.htm","published_at":"2025-10-07T00:00:00+00:00","last_checked_at":"2026-05-14T00:23:17.219856+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Executive extraction classified cybersecurity experience for Ernest Maddock as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-05T00:23:25.104539+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"OUST 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","published_at":"2026-03-02T00:00:00+00:00","last_checked_at":"2026-05-05T00:23:24.775407+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Proxy extraction classified cybersecurity experience for Ernest E. Maddock as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T04:30:28.520663+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"TER DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","published_at":"2026-03-27T00:00:00+00:00","last_checked_at":"2026-05-16T04:30:28.391953+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_company","claim_value":"Ouster, Inc.","claim_text":"Ernest Maddock is associated with Ouster, Inc..","claim_state":"verified","valid_from":"2026-03-02","valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-05T00:23:25.02135+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"OUST 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","published_at":"2026-03-02T00:00:00+00:00","last_checked_at":"2026-05-05T00:23:24.775407+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"executive_title","claim_value":"Director","claim_text":"Ernest Maddock is listed as Director at Ouster, Inc..","claim_state":"verified","valid_from":"2026-03-02","valid_to":null,"confidence":0.94,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-05T00:23:24.983396+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"OUST 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","published_at":"2026-03-02T00:00:00+00:00","last_checked_at":"2026-05-05T00:23:24.775407+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"independence_status","claim_value":{"is_independent":true},"claim_text":"Board independence status at Teradyne, Inc.: True.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.95,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-03T01:56:46.340853+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"Teradyne, Inc. director board source","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/0000097210/000095017025046345/ter-20250326.htm","published_at":"2025-03-28T00:00:00+00:00","last_checked_at":"2026-05-03T01:47:46.353365+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Executive extraction classified technology background for Ernest Maddock as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-05T00:23:25.076409+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"OUST 10-K executive officers","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","published_at":"2026-03-02T00:00:00+00:00","last_checked_at":"2026-05-05T00:23:24.775407+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Proxy extraction classified technology background for Ernest E. Maddock as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T04:30:28.504422+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"TER DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","published_at":"2026-03-27T00:00:00+00:00","last_checked_at":"2026-05-16T04:30:28.391953+00:00","relation":"supports","excerpt_locator":null}]},{"subject":"alpha:person:ernest-e-maddock","claim_type":"board_service","claim_value":{"tags":[],"title":"Independent Director","period":"2022-01-01 · current","organization":"Teradyne","organization_id":"teradyne-inc"},"claim_text":"Independent Director at Teradyne (2022-01-01 · 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/97210/000119312526127504/ter-20260325.htm","label":"sec_proxy","evidence_state":"verified"}],"claim_state":"confirmed","version":1},{"subject":"alpha:person:ernest-e-maddock","claim_type":"board_service","claim_value":{"tags":[],"title":"Director","period":"Current · start date not disclosed","organization":"AVNET INC","organization_id":"avnet-inc"},"claim_text":"Director at AVNET INC (Current · start date not disclosed)","valid_from":null,"valid_to":null,"verification_status":"confirmed","date_precision":"undisclosed","evidence":[{"source_url":"https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml","label":"sec_form_ownership","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/ernest-e-maddock#profile","url":"https://registry.alpha.ac/people/ernest-e-maddock","dateModified":"2026-05-16T04:30:28.335+00:00","mainEntity":{"@type":"Person","@id":"https://registry.alpha.ac/people/ernest-e-maddock#person","name":"Ernest E. Maddock","url":"https://registry.alpha.ac/people/ernest-e-maddock","jobTitle":"Independent Director","worksFor":{"@type":"Organization","name":"Teradyne","tickerSymbol":"NASDAQ: TER"},"affiliation":[{"@type":"OrganizationRole","roleName":"Independent Director","startDate":"2022-01-01","memberOf":{"@type":"Organization","name":"Teradyne","url":"https://registry.alpha.ac/companies/teradyne-inc","tickerSymbol":"NASDAQ: TER"}},{"@type":"OrganizationRole","roleName":"Director","memberOf":{"@type":"Organization","name":"AVNET INC","url":"https://registry.alpha.ac/companies/avnet-inc","tickerSymbol":"NASDAQ: AVT"}}]},"isBasedOn":[{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm","name":"TER DEF 14A director slate"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/1816581/000162828026013313/oust-20251231.htm","name":"OUST 10-K executive officers"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/0000097210/000095017025046345/ter-20250326.htm","name":"Teradyne, Inc. director board source"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/8858/000110465925097498/tm2516396-1_def14a.htm","name":"AVT DEF 14A director slate"},{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml"}],"mainEntityOfPage":"https://registry.alpha.ac/people/ernest-e-maddock"},"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":8,"distinct_source_count":5,"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":8,"distinct_sources":5,"role_claims":2,"last_reviewed_at":"2026-05-16T04:30:28.335+00:00","observed_at":"2026-09-21T13:40:32.376628+00:00","freshness_days":128}},"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":"ernest-e-maddock","canonical_url":"https://registry.alpha.ac/people/ernest-e-maddock"},"publication":{"published_at":"2026-04-21T02:55:15.270549+00:00","last_reviewed_at":"2026-05-16T04:30:28.335+00:00","as_of":"2026-09-21T13:40:32.376628+00:00"},"representations":{"html":{"href":"https://registry.alpha.ac/people/ernest-e-maddock","media_type":"text/html"},"json":{"href":"https://registry.alpha.ac/api/public/profiles/ernest-e-maddock","media_type":"application/json"},"markdown":{"href":"https://registry.alpha.ac/people/ernest-e-maddock.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}}}