Company Executives

$LYEL Management Team

Dr. Gary Lee

Chief Scientific Officer

Age 49

Compensation $2.226M USD

Sex Male

Dr. Richard Klausner

Chairman of the Board

Age 73

Compensation $288.1K USD

Sex Male

Dr. Lynn Seely

President

Chief Executive Officer

Interim Principal Financial Officer

Director

Age 66

Compensation $1.495M USD

Sex Female

Mr. Stephen Hill

Chief Operating Officer

Age 54

Compensation $1.343M USD

Sex Male

Name / Title	Age	Compensation	Sex
Dr. Gary Lee Chief Scientific Officer	49	$2.226M USD	Male
Dr. Richard Klausner Chairman of the Board	73	$288.1K USD	Male
Dr. Lynn Seely President Chief Executive Officer Interim Principal Financial Officer Director	66	$1.495M USD	Female
Mr. Stephen Hill Chief Operating Officer	54	$1.343M USD	Male

Board of Directors

From the proxy statement filed Apr 24, 2026

Directors

serving now

Independent

0 of 1

stated in the proxy; 7 not stated

Average tenure

5.0 years

from year joined

CEO also chairs the board

Richard Klausner

Director	Age	On board	Independent	Committees	Other public boards	2025 pay
Richard Klausner Board chair	74	2018 8 years	Not stated	None stated	None stated	$122,609
Otis Brawley	66	2021 5 years	Not stated	Nominating and Corporate Governance Committee · Chair	Incyte Corporation, Agilent Technologies	$97,609
William Rieflin	66	2020 6 years	Not stated	Audit Committee · Chair Compensation Committee	None stated	$115,109
Mark J. Bachleda	51	2025 1 year	Not stated	Nominating and Corporate Governance Committee	None stated	Not stated
Catherine Friedman Lead independent director	65	2018 8 years	Not stated	Audit Committee Compensation Committee · Chair	None stated	$142,609
Elizabeth Nabel	74	2021 5 years	Not stated	Nominating and Corporate Governance Committee Audit Committee	Moderna, Medtronic	$102,609
Sumant Ramachandra	57	2024 2 years	Not stated	Compensation Committee	None stated	Not stated
Lynn Seely CEO	67	2021 5 years	Not independent	None stated	None stated	Paid as CEO

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

1 disclosed in the proxy filed Apr 24, 2026

each of our directors and executive officers

director or executive officer

Amount not stated

Indemnification agreements with each director and executive officer, providing indemnification for expenses, damages, judgments, fines and settlements.

Open in proxy

Comments

Company Executives

$LYEL Management Team

Dr. Gary Lee

Dr. Richard Klausner

Dr. Lynn Seely

Mr. Stephen Hill

Board of Directors

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