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Serge Messerlian

Serge Messerlian

Board Director at Auron Therapeutics. Also a director at Plexium.

DirectorRoles at 2 startups
Updated Nov 9, 2026·Latest SEC filing Aug 13, 2026·Suggest an edit

About Serge Messerlian

Serge Messerlian is a board director at Auron Therapeutics.

Form D filings also name Serge Messerlian as a director at Plexium.

Serge Messerlian first appears on SEC filings in 2024.

Experience

This experience comes from Serge Messerlian's profile and from SEC filings. For roles taken from filings, the years are when the filings name Serge Messerlian in the role, so the role may have started earlier or lasted longer.

Auron Therapeutics, Inc. Current
Member Board of Directors
2024 – Present · Wellesley, MA
Develops potential treatments for people with cancer and inflammatory diseases.
Plexium, Inc. Current
Chief Executive Officer (2024 – Present)
Director
2024 – Present · San Diego, CA
DCVC Bio, Venture Capital Current
Operating Partner
2024 – Present
Creyon Bio
Chairman & CEO
2024 – 2026
Teon Therapeutics Inc.,
Chief Executive Officer
2022 – 2023
Johnson & Johnson
President, Oncology
2016 – 2022
Baxalta
Vice President, Worldwide Portfolio Head, Biosimilars
2013 – 2016
Baxter International Inc.
Vice President, Worldwide Portfolio Head, Hematology
1999 – 2013

Key Colleagues at Startups

The people Serge Messerlian works with at each company, as listed on that company's latest Form D.

Auron Therapeutics, Inc. · Form D, Aug 13, 2026
Pini Orbach
Pini Orbach
Director
Anna French
Anna French
Director
KY
Katharine Yen
Founder & CEO, director
Plexium, Inc. · Form D, Aug 25, 2025
CC
PR
LC
Leon Chen
Director
RH
Rob Hopfner
Director
MM
Michael Martin
Executive officer and director
MG
Michael Grey
Director
SM
Stephen Mullennix
Executive officer

Sources

  1. SECAuron Therapeutics, Inc. Form D, filed Aug 13, 2026
  2. SECPlexium, Inc. Form D, filed Aug 25, 2025