We Design
We apply our unique collective expertise to design small molecule therapeutics.
We push the leading edge to solve drug discovery’s big challenges.
We strive to develop meaningful medicines for patients.

Over more than a decade of pioneering technologically-driven methods of drug discovery, Nimbus has used cutting-edge tools to make therapeutic progress against the most challenging of targets — successfully drugging the undruggable, mapping the uncrystallizable and advancing multiple innovative therapeutics to the clinic.

Nimbus Leadership

Annie C. Chen
M.D., M.P.H.

Chief Medical Officer & President of Tyk2 Subsidiary

Alan Collis

Senior Vice President of Preclinical Development

Erin Cowhig

Chief People Officer

Scott Edmondson

Senior Vice President, Head of Chemistry

Abbas Kazimi

Chief Business Officer

Jeb Keiper, M.S., MBA

Chief Executive Officer

Christine Loh

Senior Vice President, Head of Biology

Peter J. Tummino

Chief Scientific Officer

Holly Whittemore

Chief Financial Officer

Board of Directors

Bruce Booth, Ph.D.

General Partner, Atlas Venture

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Jean George, MBA

General Partner, Lightstone Ventures

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Laura Stoppel, Ph.D.

Analyst, RA Capital Management

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Rajeev Dadoo, Ph.D., MBA

Partner, SR One Ltd.

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Steve Hall, Ph.D.

General Partner, Lilly Ventures

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Mark Iwicki

Chairman and CEO, Kala Pharmaceuticals

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Nikola Trbovic, Ph.D.

Partner, Pfizer Ventures

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Jeb Keiper, M.S., MBA

CEO, Nimbus Therapeutics

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George P. Vlasuk, Ph.D.

President and CSO, Navitor Pharmaceuticals

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Nimbus Therapeutics is backed by world-class life science investors, including Atlas Venture, SR One, Lilly Ventures, Bill Gates, Pfizer Venture Investments, Lightstone Ventures, RA Capital and BVF Partners. The company closed a $24 million Series A financing in June 2011, a $43 million Series B financing in March 2015, an additional $65 million in financing in June 2018 and another $60 million in financing in October 2020.