# Lyell Immunopharma, Inc.

> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

## Record

| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v3 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1 |
| Canonical entity | alpha:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/lyell-immunopharma-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 17 |
| Claims under review | 1 |
| Evidence records | 3 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-09-13T04:46:30.796235+00:00 |
| Last reviewed | 2026-09-13T04:46:30.796235+00:00 |

## Identity

- Legal name: Lyell Immunopharma, Inc.
- Display name: Lyell Immunopharma, Inc.

## Leadership

- Clifford J. Friedman: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Elizabeth Nabel: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Lynn Seely, M.D.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Martine Rothblatt, Ph.D., J.D., M.B.A.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Otis Brawley, M.D.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Richard Klausner, M.D.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- Sumant Ramachandra, M.D., Ph.D.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- William Rieflin: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2.
- David Shook, M.D.: Chief Medical Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.
- Gary Lee, Ph.D.: Chief Scientific Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.
- Lynn Seely, M.D.: President, Chief Executive Officer and Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.
- Mark Meltz: General Counsel and Corporate Secretary. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.
- Smital Shah: Chief Financial and Business Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.
- Stephen Hill: Chief Operating Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3.

## Roles

- PUBLISHED

## Governance

- NOT_ASSERTED

## Board committees

- PUBLISHED

## Financials

- NOT_ASSERTED

## Workforce

- NOT_ASSERTED

## Market and index context

- PUBLISHED

## Legal Name

- Lyell Immunopharma, Inc.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:1.

## Headquarters

- US. Publication: UNDER_REVIEW. Verification: source_reported. Assertion: source_reported. Evidence: unlinked, under review.

## Entity Status

- Public listing published. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:1.

## Published Fact

- US. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:1.

## Coverage states

| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |

## Public sources

- alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:1: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/lyell-immunopharma-inc).
- alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:2: [Lyell Immunopharma, Inc. DEF 14A 2026-04-24](https://www.sec.gov/Archives/edgar/data/1806952/000114036126016686/ny20068007x1_def14a.htm).
- alpha:evidence:company:c4cef1ca-c5d7-4446-8c3a-0cd3753768fb:3: [LYEL DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1806952/000114036126016686/ny20068007x1_def14a.htm).

## Rights

| Field | Value |
| --- | --- |
| 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 |

## Limitations

- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- 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.
- Current index memberships: Unavailable
- Index membership events: Unavailable

## Alternate representations

- [Canonical profile](https://registry.alpha.ac/companies/lyell-immunopharma-inc)
- [Public Markdown](https://registry.alpha.ac/companies/lyell-immunopharma-inc.md)
- [Public JSON](https://registry.alpha.ac/api/public/companies/lyell-immunopharma-inc)
- [JSON-LD](https://registry.alpha.ac/api/public/companies/lyell-immunopharma-inc?format=jsonld)
- MCP resource: `alpha://companies/lyell-immunopharma-inc` at https://mcp.alpha.ac/mcp
