/People

John Josey

Investor

Partner at The Column Group · Board director at Day One Biopharmaceuticals · Board director at Circle Pharma

Dallas, Texas

Writes $100K – $5M checks · typically $1.5M

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Ask Derek DiRocco to introduce you to John

You →Derek · together at Peloton Therapeutics (2019) →John

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You →Jamie · 7 people · together at Arraybiopharma →John

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You →Sam · 4 people · together at The Column Group →John

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About

Joined The Column Group as a Venture Partner in 2020. Former President and CEO of Peloton Therapeutics until its 2019 acquisition by Merck; earlier a founding management team member at Array BioPharma. Holds a PhD in organic chemistry.

Board director at Day One Biopharmaceuticals

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Board director at Circle Pharma

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In turn, John can intro founders to Circle Pharma's investors below.

Co-founders at Circle Pharma

MPMatthew P. Jacobson
Matthew P. JacobsonCo-founder
SR
Scott R. LokeyDirector

Experience

  1. The Column GroupPartnercurrent2026 — present
  2. The Column GroupVenture Partner2020 — 2026
  3. Peloton TherapeuticsPresident and Chief Executive Officer2013 — 2019Dallas, Texas
  4. Peloton TherapeuticsPresident and Chief Scientific Officer2011 — 2013Dallas, TX
  5. Array BioPharma Inc.Vice President, Discovery Chemistry1998 — 2011
  6. AmgenScientist1995 — 1998
  7. Glaxo Inc.Research Scientist1991 — 1995Research Triangle Park, NC

Deals · 2

Circle PharmaBoard seat

via The Column Group · filed Jan 2025 · $117.4M raise

Day One BiopharmaceuticalsBoard seat

via The Column Group · filed Feb 2021 · $130M raise

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at The Column Group

Frequently asked questions

Who is John Josey?
Joined The Column Group as a Venture Partner in 2020. Former President and CEO of Peloton Therapeutics until its 2019 acquisition by Merck; earlier a founding management team member at Array BioPharma. Holds a PhD in organic chemistry.
Where does John Josey work?
John Josey is Partner at The Column Group and Board director at Day One Biopharmaceuticals and Board director at Circle Pharma.
What check size does John Josey write?
John Josey typically writes checks of $100K – $5M.
What boards does John Josey sit on?
John Josey holds tracked board seats at Circle Pharma, Day One Biopharmaceuticals.
Where did John Josey go to school?
John Josey studied at Caltech (Postdoctoral Fellow); The University of Texas at Austin (Ph.D., Organic Chemistry); University of Colorado (MBA, Business Administration).

Founder mafias

Same school

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