About Mark Gergen
Mark Gergen is a director at Ceresti Health.
Mark Gergen reports to the SEC as a director or officer of 4 public companies, including Poseida Therapeutics (PSTX), Halozyme Therapeutics (HALO) and Mirati Therapeutics (MRTX).
Mark Gergen first appears on SEC filings in 2006.
Experience
This experience comes from Mark Gergen's profile and from SEC filings. For roles taken from filings, the years are when the filings name Mark Gergen in the role, so the role may have started earlier or lasted longer.
KT
Kenai Therapeutics Current
Independent Board Director
2026 – Present
BM
Breakthru Medicine Current
Chair of the Board
2025 – Present
CI
Cove Therapeutics, Inc. Current
Chair of the Board
2025 – Present
Ceresti Health, Inc. Current
Independent Board Director & Advisor
2018 – Present · Carlsbad, CA
Dementia caregiver support for health plans and accountable care organizations.
MC
Multiple Companies Current
Strategic Advisor / Board Member
2014 – Present
PI
Poseida Therapeutics, Inc.
President and CEO, director
Executive Chairman (2018 – 2025)
2018 – 2025 · Public company (PSTX)
AT
Aristea Therapeutics
Independent Board Member
2022 – 2023
HI
Halozyme Therapeutics, Inc.
SVP, Chief Operating Officer
Chief Operating Officer / Consultant (2016 – 2018)
2016 – 2018 · Public company (HALO)
MI
Mirati Therapeutics, Inc.
Executive VP, COO
Executive Vice President (2013 – 2016)
2013 – 2016 · Public company (MRTX)
AI
Amylin Pharmaceuticals Inc.
SVP, Corporate Development
Senior Vice President, Corporate Development (2005 – 2012)
2005 – 2012 · Public company (AMLN)
AT
Aperio Technologies
Independent Board Director
2003 – 2012
BC
BioTelemetry Healthcare, formerly CardioNet
Executive Vice President
2003 – 2005
AS
Advanced Tissue Sciences
Chief Restructuring Officer, Senior Vice President
2000 – 2003
PI
Premier, Inc.
Assistant General Counsel
1999 – 2000
ME
Medtronic
Various
1994 – 1999
Key Colleagues at Startups
The people Mark Gergen works with at each company, as listed on that company's latest Form D.
Ceresti Health, Inc. · Form D, May 11, 2026
Christopher Ciano
Ceresti Board Chair
DM
David Morehead
Director
Dirk Soenksen
Co-founder & CEO, director
Mark Wrenn
Co-founder & CTO
Stelios Andronikou
Chief Financial Officer