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Jonathan Fleming

Jonathan Fleming

Director, Quiver Bioscience; chairman of the board, Diceros Therapeutics and EnClear Therapies

ExecutiveDirectorPublic companyRoles at 5 startups
Updated Nov 9, 2026·Latest SEC filing Oct 21, 2026·Suggest an edit

About Jonathan Fleming

Jonathan Fleming is a director of Quiver Bioscience, a drug discovery company. He is chairman of the board at AutonomoUS, Diceros Therapeutics, Onc.AI, Aquaculture Research Corporation and EnClear Therapies. He is also a board member at CONTINUUS Pharmaceuticals. He has been a senior lecturer at the MIT Sloan School of Management since 2002. He co-teaches a business strategy class for life science managers.

Fleming was managing partner of Oxford Bioscience Partners for 19 years and joined the firm in 1996. From 1988 to 1996 he was a founding general partner of MVP Ventures in Boston. He co-founded several neuroscience companies, including Synaptic Pharmaceuticals, Memory Pharmaceuticals and Hypnion Pharmaceuticals. Lundbeck acquired Synaptic, Roche acquired Memory, and Lilly acquired Hypnion. He is a former president and chief executive officer of Q-State Biosciences and executive chairman of QurAlis. He has a master's degree in public administration from Princeton University and a bachelor's degree in political science from the University of California, Berkeley.

Experience

This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Jonathan Fleming in the role, so the role may have started earlier or lasted longer.

EnClear Therapies, Inc. Current
Chairman of the Board
2024 – Present · Cambridge, MA
Diceros Therapeutics, Inc. Current
Chairman of the Board
2022 – Present · Newton, MA
MIT Sloan School of Management Current
Senior Lecturer
2002 – Present
AutonomoUS, Inc. Current
Chairman of the Board
Onc.AI Current
Chairman of the Board
Aquaculture Research Corporation Current
Chairman of the Board
CONTINUUS Pharmaceuticals, Inc. Current
Board member
Quiver Holdings Inc.
Board of Directors
2026 · Cambridge, MA
Quiver Bioscience measures how human neurons function at scale and uses AI to find and test drugs for neurological disease.
Aquacultural Research Corp
Executive officer and director
2015 – 2024 · Dennis, MA
QurAlis Corp
Executive Chairman
2020 · Cambridge, MA
Xencor Inc
Director
2013 – 2015 · Public company (XNCR)
Glori Energy Inc.
10% owner
2014 · Public company (GLRI)
Ceres, Inc.
10% owner
2012 · Public company (CERE)
Radius Health, Inc.
Director
2011 · Public company (RDUS)
Memory Pharmaceuticals Corp.
Director
2006 – 2009 · Public company (MEMY)
Trubion Pharmaceuticals, Inc
10% owner
2006 · Public company (TRBN)
Cyberkinetics Neurotechnology Systems, Inc.
10% owner
2006 · Public company (CYKN.OB)
Oxford Bioscience Partners
Managing General Partner
From 1996
MVP Ventures
Founding General Partner
1988 – 1996
TVM Techno Venture Management
Q-State Biosciences
President and CEO

Key Colleagues at Startups

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

Quiver Holdings Inc. · Form D, Oct 21, 2026
Graham Dempsey
Graham Dempsey
Founder, Chief Executive Officer
David Margulies
David Margulies
Founder, Board Member
Paul Roma
Paul Roma
Founder, Chairman of the Board
Janet Foutty
Janet Foutty
Board of Directors
Paul Black
Paul Black
Board of Directors
Diceros Therapeutics, Inc. · Form D/A, Aug 5, 2024
SS
Stephen Seiler
President & CEO, director
WG
EnClear Therapies, Inc. · Form D, Mar 1, 2024
JC
Jason Camm
Director
KR
Kasper Roet
Director
AD
Anthony DePasqua
Chief Executive Officer and director
Aquacultural Research Corp · Form D, Jan 12, 2024
JP
RS
Richard Sawyer
Chief Executive Officer and director
JG
GH
Gail Hart
Director
DL
Dale Leavitt
Director
JB
Jacob Beinecke
Executive officer and director
FZ
SK
RY
Robert Young
Director
RA
SW
Sara Wilson
Director
QurAlis Corp · Form D, May 18, 2020
LD
Luc Dochez
Director
AS
Amy Schulman
Director
CT
Chris Thomajan
Executive officer
KR
Kasper Roet
Executive officer, director and promoter
JB
DE
Daniel Elbaum
Executive officer
RB

Jonathan Fleming in the News

Sources

  1. SECQuiver Holdings Inc. Form D, filed Oct 21, 2026
  2. SECDiceros Therapeutics, Inc. Form D/A, filed Aug 5, 2024
  3. SECEnClear Therapies, Inc. Form D, filed Mar 1, 2024
  4. SECAquacultural Research Corp Form D, filed Jan 12, 2024
  5. SECQurAlis Corp Form D, filed May 18, 2020
  6. SECForms 3, 4 and 5 filed by Jonathan Fleming (SEC filer 1262294)
  7. companyQuiver Bioscience people page
  8. secRadius Health S-1/A, November 7, 2011 (director biography)