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Paul Fonteyne

Paul Fonteyne

Co-founder and director at Allyx Therapeutics.

DirectorRoles at 3 startups
Updated Nov 9, 2026·Latest SEC filing Oct 21, 2026·Suggest an edit

About Paul Fonteyne

Paul Fonteyne is a co-founder and director of Allyx Therapeutics, which develops oral medicines for Alzheimer’s and other neurodegenerative diseases. He is also an independent director at Apnimed, a clinical-stage drug company developing oral treatments for obstructive sleep apnea. Fonteyne serves as an executive in residence at Canaan Partners, an early-stage health care and technology venture fund.

Fonteyne has more than 30 years in biopharma, including 15 years in U.S. and global leadership roles at Boehringer-Ingelheim. He became president and chief executive officer of its U.S. business in November 2011. He later served as chairman and retired in January 2019. Earlier, he held commercial leadership roles for nine years at Merck and eight years at Abbott Laboratories. He also worked as Allyx’s business and strategy advisor. His other current biotechnology boards include Apellis, Amylyx and Ypsomed. He also served on PhRMA’s board and chaired the National Pharmaceutical Council.

Experience

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

Apnimed, Inc. Current
Independent Director
2023 – Present · Cambridge, MA
Develops oral medicines for people with sleep apnea and other sleep-related breathing diseases.
Allyx Therapeutics, Inc. Current
Co-Founder and director
Business & Strategy Advisor
2021 – Present · New Haven, CT
A clinical-stage drug developer building oral treatments to protect brain-cell connections from neurodegenerative disease.
DalCor Pharmaceuticals US, LLC Current
Chairman
2020 – Present · Sarasota, FL
Develops a medicine to prevent repeat heart attacks in patients with a specific genetic profile.
Canaan Partners Current
Executive in Residence
Apellis Current
Board member
Amylyx Current
Board member
Ypsomed Current
Board member
Boehringer-Ingelheim USA
President, CEO and Chairman
2011 – 2019
Boehringer Ingelheim
Country Managing Director, President and CEO BI USA
2003 – 2018
Merck and Co. Inc.
VP
1994 – 2003
Strategic Analysis Inc.
Intern
1986
Abbott Laboratories
PhRMA
Board member
National Pharmaceutical Council
Chair

Key Colleagues at Startups

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

Allyx Therapeutics, Inc. · Form D/A, Oct 21, 2026
SB
Stephen Bloch
CEO & Co-Founder, director
SS
Stephen Strittmatter
Scientific Founder and director
GH
Gregory Ho
Director
TS
Timothy Siegert
COO & Co-Founder
Kevin Rakin
Kevin Rakin
Director
DalCor Pharmaceuticals US, LLC · Form D, Aug 28, 2026
DD
Apnimed, Inc. · Form D, Mar 27, 2026
LM
Lawrence Miller
Executive officer and director
DM
Dennis Molnar
Executive officer
Barry Wohl
Barry Wohl
Chief Business Officer
JA
KL
Kevin Lind
Chief Executive Officer and director
IC
Isaac Cheng
Director
GS
Gary Sender
Director
RB
Ramzi Benamar
Chief Financial Officer

Sources

  1. SECAllyx Therapeutics, Inc. Form D/A, filed Oct 21, 2026
  2. SECDalCor Pharmaceuticals US, LLC Form D, filed Aug 28, 2026
  3. SECApnimed, Inc. Form D, filed Mar 27, 2026
  4. P2Yale Ventures presentation
  5. P3Allyx Therapeutics home page