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Shawn Titcomb

Chief Executive Officer and director at Majesty Therapeutics. Also a director at Praesidia Biotherapeutics.

ExecutiveDirectorRoles at 2 startups
Updated Nov 10, 2026·Latest SEC filing May 15, 2026·Suggest an edit

About Shawn Titcomb

Shawn Titcomb is a chief executive officer and director at Majesty Therapeutics.

Form D filings also name Shawn Titcomb as a director at Praesidia Biotherapeutics.

Shawn Titcomb first appears on SEC filings in 2021.

Experience

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

Majesty Therapeutics, Inc. Current
Chief Executive Officer and director
Co-Founder and Executive Chairman (2024 – Present)
2024 – Present · Sea Ranch Lakes, FL
Works on targeted biology for vascular and fibrotic diseases.
Allele Communications Current
Co-Founder and CEO
2022 – Present
Praesidia Biotherapeutics, Inc. Current
Member Board Of Directors
2021 – Present · Arlington, MA
Allele Capital Current
Co-Founder and CEO
2017 – Present
NOBLE Capital Markets
Head of Investment and Merchant Banking, Noble Life Science Partners
2006 – 2017
Variant Research
Founding Partner
2003 – 2006
Avalon Research Group
Sr. Vice President, Institutional Research Sales
2000 – 2003

Key Colleagues at Startups

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

Majesty Therapeutics, Inc. · Form D, May 15, 2026
AH
Adrian Hepner
Acting Chief Medical Officer
AB
Ankit Bhargava
Acting Chief Scientific Officer
Praesidia Biotherapeutics, Inc. · Form D/A, Jul 17, 2024
SC
Sohang Chatterjee
Chief Executive Officer and director
PM
Pradip Majumder
Executive officer
ML
Martin Lehr
Director

Sources

  1. SECMajesty Therapeutics, Inc. Form D, filed May 15, 2026
  2. SECPraesidia Biotherapeutics, Inc. Form D/A, filed Jul 17, 2024