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Spiros Liras

Founder of Apple Tree Partners

Brookline, Massachusetts

Overview 

Spiros Liras is a Venture Partner at Apple Tree Partners, specializing in early-stage investment in pharmaceuticals, biotech, and health IT sectors. With an impressive background in drug development and medicinal chemistry, he has co-founded and led multiple successful ventures like Nereid Therapeutics and Initial Therapeutics, and has held key leadership positions at Biogen and Pfizer.

Work Experience 

  • Deep Apple Therapeutics; Co-Founder, CEO and Board Director

    2021 - Current

  • Nereid Therapeutics; Co-Founder, founding CEO, Board Director

    2020

  • Intitial Therapeutics; Co-Founder, CEO and Board Director

    2020

  • Nine Square Therapeutics; Co-Founder, Founding CEO and Board Director

    2020

  • Venture Partner

    2019

Apple Tree Partners is a venture capital firm that invests in pharmaceuticals, biotech, medtech, and healthcare services.

Raised $5,000,000.00.

  • Head, External Portfolio Innovation Unit

    2018 - 2019

Biogen is a biotechnology company engaged in the development of innovative therapies for neurological and neurodegenerative diseases.

  • VP Medicinal Chemistry

    2017 - 2018

  • VP, CVMED Medicinal Chemistry

    2011 - 2017

  • Executive Director

    2009 - 2011

    Head of CVMED medicinal chemistry

Pfizer is a biopharmaceutical company that provides affordable access to safe, effective medicines and health care services.

Raised $32,000,000,000.00 from Starboard Value.

  • Senior Director, Neuroscience medicinal chemistry

    2004 - 2008

  • Medicinal chemist

    1994 - 2004

Pfizer is a biopharmaceutical company that provides affordable access to safe, effective medicines and health care services.

Raised $32,000,000,000.00 from Starboard Value.

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