{"schema_version":"alpha-profile-public-v1","slug":"roger-hajjar","canonical_url":"https://registry.alpha.ac/people/roger-hajjar","as_of":"2026-10-28T23:39:36.467577+00:00","published_at":"2026-09-02T02:37:19.813744+00:00","last_reviewed_at":"2026-05-16T00:50:40.258+00:00","identity":{"display_name":"Roger Hajjar","headshot_url":null,"headshot_media":null,"profile_kind":"director","role_tags":["director"],"current_role":{"company_name":"Longeveron Inc.","company_slug":"longeveron-inc","exchange":"NASDAQ","ticker":"LGVN","role_category":"director","title":"Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2024-01-01","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/1721484/000121390025036161/ea0237609-03.htm","effective_date":"2025-04-28","last_checked_at":"2026-04-28T23:44:00.41+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=roger-hajjar","suggest_edit_label":"Suggest an edit","suggest_edit_url":"https://terminal.alpha.ac/claim-profile?person=roger-hajjar&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":["Roger Hajjar, M.D., age 60, was elected to Longeveron's Board in July 2024. He is an internationally recognized scientist whose cardiac gene therapy discoveries have spurred clinical trials for heart failure. He was recently head of R&D at Ring Therapeutics and is the inaugural director of the Gene and Cell Therapy Institute at Mass General Brigham."],"links":[],"sources":[],"featured":[],"competencies":[],"board_preferences":null,"board_service":[{"organization":"Longeveron Inc.","organizationId":"longeveron-inc","title":"Director","period":"2024-01-01 · current","evidenceLabel":"sec_proxy","evidenceState":"verified","sourceUrl":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.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":"Longeveron Inc.","company_slug":"longeveron-inc","exchange":"NASDAQ","ticker":"LGVN","role_category":"director","title":"Director","committee":null,"is_board_chair":false,"is_independent":true,"valid_from":"2024-01-01","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/1721484/000121390025036161/ea0237609-03.htm","effective_date":"2025-04-28","last_checked_at":"2026-04-28T23:44:00.41+00:00"}}],"claims":[{"claim_type":"ai_ml_experience","claim_value":false,"claim_text":"Proxy extraction classified AI/ML experience for Roger Hajjar as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T00:50:40.418397+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"board_role","claim_value":"Director","claim_text":"Roger Hajjar currently serves as Director at Longeveron Inc..","claim_state":"verified","valid_from":"2025-04-28","valid_to":null,"confidence":0.92,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T00:50:40.384296+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"committee_assignments","claim_value":["Nominating/Governance","Science/Innovation"],"claim_text":"Roger Hajjar serves on Nominating/Governance, Science/Innovation.","claim_state":"verified","valid_from":"2025-04-28","valid_to":null,"confidence":0.88,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T00:50:40.400999+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"current_executive_company","claim_value":"Mass General Brigham","claim_text":"Roger Hajjar is linked to Mass General Brigham 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":"2026-05-16T00:50:40.50263+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"cybersecurity_experience","claim_value":false,"claim_text":"Proxy extraction classified cybersecurity experience for Roger Hajjar as false.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T00:50:40.451152+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"claim_type":"technology_background","claim_value":true,"claim_text":"Proxy extraction classified technology background for Roger Hajjar as true.","claim_state":"verified","valid_from":null,"valid_to":null,"confidence":0.72,"source_tier":3,"verification_status":"confirmed","last_reviewed_at":"2026-05-16T00:50:40.434212+00:00","version":1,"evidence":[{"source_name":"SEC EDGAR","document_title":"LGVN DEF 14A director slate","source_type":"sec_filing","source_tier":3,"source_url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","published_at":"2025-04-28T00:00:00+00:00","last_checked_at":"2026-05-16T00:50:40.317016+00:00","relation":"supports","excerpt_locator":null}]},{"subject":"alpha:person:roger-hajjar","claim_type":"board_service","claim_value":{"tags":[],"title":"Director","period":"2024-01-01 · current","organization":"Longeveron Inc.","organization_id":"longeveron-inc"},"claim_text":"Director at Longeveron Inc. (2024-01-01 · 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/1721484/000121390025036161/ea0237609-03.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/roger-hajjar#profile","url":"https://registry.alpha.ac/people/roger-hajjar","dateModified":"2026-05-16T00:50:40.258+00:00","mainEntity":{"@type":"Person","@id":"https://registry.alpha.ac/people/roger-hajjar#person","name":"Roger Hajjar","url":"https://registry.alpha.ac/people/roger-hajjar","jobTitle":"Director","worksFor":{"@type":"Organization","name":"Longeveron Inc.","tickerSymbol":"NASDAQ: LGVN"},"affiliation":[{"@type":"OrganizationRole","roleName":"Director","startDate":"2024-01-01","memberOf":{"@type":"Organization","name":"Longeveron Inc.","url":"https://registry.alpha.ac/companies/longeveron-inc","tickerSymbol":"NASDAQ: LGVN"}}]},"isBasedOn":[{"@type":"CreativeWork","url":"https://www.sec.gov/Archives/edgar/data/1721484/000121390025036161/ea0237609-03.htm","name":"LGVN DEF 14A director slate"}],"mainEntityOfPage":"https://registry.alpha.ac/people/roger-hajjar"},"registry_intelligence":{"schema_version":"alpha-registry-intelligence-v1","record_version":"d751713988987e9331980363e24189ce","subject":"alpha:person:roger-hajjar","as_of":"2026-10-28T23:39:36.776176+00:00","recorded_at":"2026-10-28T23:39:36.776176+00:00","availability":"available","records":[],"next_offset":null,"limitations":["Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage."]},"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":8,"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":8,"under_review_claim_count":0,"owner_supplied_claim_count":0,"evidence_record_count":3,"distinct_source_count":1,"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":8,"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":8,"corroborated_claims":0,"sources":3,"distinct_sources":1,"role_claims":1,"last_reviewed_at":"2026-05-16T00:50:40.258+00:00","observed_at":"2026-10-28T23:39:36.467577+00:00","freshness_days":166}},"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":"roger-hajjar","canonical_url":"https://registry.alpha.ac/people/roger-hajjar"},"publication":{"published_at":"2026-09-02T02:37:19.813744+00:00","last_reviewed_at":"2026-05-16T00:50:40.258+00:00","as_of":"2026-10-28T23:39:36.467577+00:00"},"representations":{"html":{"href":"https://registry.alpha.ac/people/roger-hajjar","media_type":"text/html"},"json":{"href":"https://registry.alpha.ac/api/public/profiles/roger-hajjar","media_type":"application/json"},"markdown":{"href":"https://registry.alpha.ac/people/roger-hajjar.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}}}