Glenn Pierce, M.D., Ph.D.

Entrepreneur-in-Residence

Glenn Pierce joined Third Rock Ventures in 2016, bringing more than 30 years of research and development experience working with biotechnology companies. As an entrepreneur-in-residence, Glenn focuses on research, development and translation in hematology across the portfolio. Glenn was involved in the launch of:

  • Global Blood Therapeutics

Glenn retired from Biogen in 2014, where he most recently served as chief medical officer, leading the hematology, cell and gene therapies division. At Biogen, Glenn spearheaded the initiation of the Humanitarian Aid Collaboration with the World Federation of Hemophilia (WFH), and My Life Our Future, a population-wide genotyping and genomic biobank initiative. Aside from Biogen, Glenn has worked in small, large, public and private biotech/biopharma firms, including Bayer, Inspiration, Avigen, Selective Genetics and Amgen in the areas of tissue regeneration and hematology. He is the co-author of more than 150 scientific papers, has received over 15 patents and is a member of numerous medical and scientific groups, including HTRS, ISTH and ASH. He served on the medical and scientific advisory council, the board of directors and was president of the board of the National Hemophilia Foundation during a span of two decades. Glenn also served on the Blood Products Advisory Committee at the FDA and the Committee on Blood Safety and Availability at the U.S. Department of Health and Human Services. He currently serves on the WFH and WFHUSA board of directors. Glenn received an M.D. and a Ph.D. in immunology, both from Case Western Reserve University in Cleveland, and did his postgraduate training in pathology and hematology research at Washington University in St. Louis.

Glenn focuses his free time on humanitarian aid training workshops in the developing world with WFH, and enjoys wildlife photography. 

Administrative Support

(415) 766-3600

Associated Portfolio Companies

Partners

Alexis Borisy

Partner

Abbie Celniker, Ph.D.

Partner

Neil Exter

Partner

Kevin Gillis

Partner/Chief Financial Officer

Charles Homcy, M.D.

Partner

Sarah Larson

Partner/Chief Human Resources Officer

Mark Levin

Partner

Craig Muir

Partner/Chief Technology Officer

Cary Pfeffer, M.D.

Partner

Kevin Starr

Partner

Robert Tepper, M.D.

Partner

Venture Partners

Jeffrey Finer, M.D., Ph.D.

Venture Partner

Frank T. Gentile, Ph.D.

Venture Partner

Robert Kamen, Ph.D.

Venture Partner

Christoph Lengauer, Ph.D.

Venture Partner

Philip Reilly, M.D., J.D.

Venture Partner

Ton Schumacher, Ph.D.

Venture Partner

Stephen Sherwin, M.D.

Venture Partner

Jeffrey Tong, Ph.D.

Venture Partner

Barbara Weber, M.D.

Venture Partner

Entrepreneurs-In-Residence

Jason Coloma, Ph.D.

Entrepreneur-in-Residence

Peter DiLaura

Entrepreneur-in-Residence

Eric Green, M.D., Ph.D.

Entrepreneur-in-Residence

Rachel Meyers, Ph.D.

Entrepreneur-in-Residence

Glenn Pierce, M.D., Ph.D.

Entrepreneur-in-Residence

Richard Ransohoff, M.D.

Entrepreneur-in-Residence

Domain Experts

Karina Chmielewski

Senior Director, Platform Operations

Dina Ciarimboli

General Counsel

Cynthia Clayton

Head of Communications & Investor Relations

Aremin Hacobian

Head, Organization Health and Development

John Keilty

Strategic Advisor, Platform Operations

Corey O’Keeffe

Manager, Communications & Investor Relations

Raynie Smith

Director, Human Resources

Principals and Associates

Walter Kowtoniuk, Ph.D.

Principal

Claire Mazumdar, Ph.D., M.B.A.

Associate

Melissa McCracken, Ph.D.

Associate

Kelly Moynihan, Ph.D.

Associate

Vyas Ramanan, Ph.D.

Senior Associate

Timur Yusufzai, Ph.D.

Senior Associate

Recruiting

Andrea DiMella

Recruiting Director

Wendy Durkin

Senior Director, Recruiting and University Relations

Tracy Nicholson

Recruiting Director

Chris Robinson

Vice President, Recruiting

Administrative

Zoe Angell

Executive Assistant

Tracilyn Garcia-Lum

Executive Assistant

Linda Heath

Executive Assistant

Rhea Kappa

Receptionist/Administrative Assistant

Maribel Laboy

Executive Assistant

Megan Lamb

Executive Assistant

Ian Miller

Administrative Assistant

Angelo Severino

Executive Assistant

Laura Vitale

Executive Assistant

Tracy Williams

Executive Assistant

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