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Joseph Lyssikatos

Chief Scientific Officer at Enliven Therapeutics
Executive

About Joseph Lyssikatos

Joseph P. Lyssikatos, Ph.D., age 60, is Chief Scientific Officer (CSO) of Enliven Therapeutics (ELVN) and a co‑founder of Former Enliven; he has served as CSO since the closing of the merger on February 23, 2023 and previously sat on ELVN’s board until his term ended in June 2024 . He holds a B.S. in Chemistry from the College of William and Mary and a Ph.D. in Chemistry from UC Berkeley, and his prior technical leadership spans Stemcentrx/AbbVie, Denali Therapeutics, Biogen, Genentech, and Array Biopharma . ELVN is a clinical-stage, pre‑revenue biotech that has “not generated any revenue to date,” reporting net losses of $71.6M (FY23) and $89.0M (FY24), so pay-for-performance is anchored to corporate objectives (clinical, pipeline, strategic) rather than financial metrics like revenue or EBITDA .

Past Roles

OrganizationRoleYearsStrategic Impact
Stemcentrx (AbbVie subsidiary)Executive Director of Discovery; Head of Oncology ADC TechnologiesMar 2017 – Jun 2019 Led antibody-drug conjugate oncology platform buildout and discovery leadership
Denali TherapeuticsDenali FellowNov 2015 – Mar 2017 Advanced neurodegenerative pipeline insights and platform collaboration
BiogenVP Medicinal Chemistry and DMPKJun 2014 – Nov 2015 Directed medicinal chemistry and DMPK across neurology programs
AbbVieExecutive DirectorNot disclosed Executive leadership in drug discovery portfolios
GenentechStaff ScientistNot disclosed Foundational research contributions in large-cap biotech
Array BiopharmaSenior DirectorNot disclosed Advanced small-molecule discovery and leadership

External Roles

OrganizationRoleYearsNotes
None disclosedNo public company board roles disclosed outside ELVN; Lyssikatos served on ELVN’s board until June 2024 .

Fixed Compensation

MetricFY 2023FY 2024FY 2025 (current)
Base Salary ($)$436,502 $470,000 $486,450 (approved Jan 2025)
Target Bonus (% of Salary)40% 40% 40%
Bonus Payout (% of Target)110% (approved Jan 2024) 120% (approved Jan 2025) Not disclosed
Actual Bonus Paid ($)$193,600 $225,600 Not disclosed
All Other Compensation ($)$2,000 $13,800 (401k match) Not disclosed

Performance Compensation

Annual Bonus Plan (non‑equity incentive)

YearPerformance MetricsTarget (% of Salary)Payout (% of Target)Actual ($)Vesting
2022Clinical, Pipeline, Financing, Strategy, Org/Talent goals Not explicitly disclosed97.5% Not providedAnnual cash, paid subsequent year
2023Clinical Development, Pipeline, Corporate/Strategic goals 40% 110% $193,600 Annual cash, paid 2024
2024Clinical Development, Pipeline, Corporate/Strategic goals 40% 120% $225,600 Annual cash, paid 2025

Notes:

  • The company does not disclose metric weightings or specific numeric targets; it states executives must meet “challenging goals” selected by the board .

Equity Awards (options)

Outstanding equity awards held as of December 31, 2024 (post‑Merger, post‑Reverse Split basis):

Grant (Plan / Footnote)Exercisable (#)Unexercisable (#)Exercise Price ($)Expiration
Former Enliven 2019 Plan (2010 option) 206,550 1.12 6/15/2030
Former Enliven 2019 Plan (2021 option repriced 8/9/2022) 88,531 2.48 3/24/2031
Company Option (time-based; 25% vested 2/23/2024; remainder monthly over 36 months) 94,416 111,584 22.75 4/4/2033
Company Option (time-based; 25% vested 2/13/2025; remainder monthly over 36 months) 185,000 14.85 2/13/2034

Additional equity plan context:

  • The company repriced all outstanding and unexercised stock options with exercise price per share >$2.48 to $2.48 on August 9, 2022; no other terms changed .
  • As of March 31, 2025, Lyssikatos had 468,768 options exercisable within 60 days .

Equity Ownership & Alignment

MeasureValue
Beneficial ownership (Mar 31, 2025)1,471,456 shares; 3.0% of outstanding
Composition1,002,688 shares held by The Lyssikatos Revocable Trust; 468,768 options exercisable within 60 days
Beneficial ownership historyMar 1, 2023: 1,427,089 (3.5%) ; Mar 8/Apr 8, 2024: 1,517,580 (3.2%) ; Mar 31, 2025: 1,471,456 (3.0%)
Hedging/PledgingProhibited under Insider Trading Policy (hedging and pledging barred)
ClawbackCompensation recovery policy adopted Aug 2023 per SEC/Nasdaq rules (accounting restatement clawback)
Ownership guidelinesNot disclosed
Director compensation for LyssikatosNo additional board compensation while CSO; served on board until June 2024

Employment Terms

TermDetail
Employment letterAmended and restated confirmatory employment letter; at‑will; current base salary $486,450 (approved Jan 2025); target bonus 40%
Severance outside change‑in‑control window9 months base salary continuation; up to 9 months COBRA premiums (12 months for CEO; CSO specifics shown here)
Double‑trigger change‑in‑control (CIC)If terminated without cause or resigns for good reason within 3 months prior to or 12 months following CIC: lump sum 12 months base salary + 100% target bonus; up to 12 months COBRA; 100% acceleration of unvested equity; performance awards vest at target unless award agreement provides otherwise
280G treatment“Best net” approach (cutback vs. full pay to maximize after‑tax benefit)
Non‑compete / non‑solicitNot disclosed
Garden leave / consultingNot disclosed

Investment Implications

  • Pay-for-performance structure: Cash bonuses are formula‑based against clinical/pipeline/corporate goals, with above‑target payouts of 110% (FY23) and 120% (FY24), indicating execution confidence; no financial (revenue/EBITDA) targets given the pre‑revenue status .
  • Equity alignment with retention cadence: Large option tranches vest 25% then monthly over 36 months (grants expiring 2033 and 2034), creating steady potential supply as awards vest; 468,768 options were exercisable within 60 days as of March 31, 2025, implying ongoing exercisability and potential selling pressure signals to monitor .
  • Red flags and governance: A broad option repricing in August 2022 reduced exercise prices to $2.48 across outstanding options—this is shareholder‑unfriendly in many contexts; however, hedging and pledging are prohibited, and a clawback policy is in force, which partially mitigates governance risk .
  • Retention and change‑of‑control: CIC terms include 12 months of salary and 100% of target bonus plus full equity acceleration (double‑trigger), supporting senior talent retention but increasing deal‑contingent dilution; outside CIC window severance is 9 months salary with COBRA, a moderate protection level .
  • Ownership trend: Beneficial ownership held broadly stable at ~3.0–3.5% since 2023; composition includes a significant trust position plus sizable exercisable options—aligns incentives but warrants monitoring against insider Form 4 activity for timing and size of exercises/sales .

Quoted sources: .