Cary Pfeffer, M.D.

Partner

Cary Pfeffer joined Third Rock Ventures at its inception in 2007 and has more than 20 years of business development and transaction experience, along with a broad array of biotech product development experience. Cary leads our partner development efforts, including building and maintaining strong relationships to work with large biotech and pharmaceutical companies. He has played an instrumental role in a number of innovative alliances and collaborative company building efforts across our portfolio, including an industry-leading global strategic collaboration between Agios and Celgene in the field of cancer metabolism. Cary supports and advises on business development efforts across our portfolio and has also assumed active leadership roles in our portfolio companies, functioning as chief executive officer and chief business officer through the first 12-18 months after launch:

  • Board member of Ablexis
  • Former board member of Edimer
  • Chairman of the board of directors and former interim CEO of Neon Therapeutics 
  • Former chairman of the board of directors and former interim CEO of Jounce Therapeutics
  • Former board member and interim CBO of Eleven Biotherapeutics
  • Former board member of Taris Biomedical

Before joining Third Rock, Cary founded The Pfeffer Group, a boutique consulting firm that provided business development and strategy advisory services, completing multiple transactions for leading biotechnology and life sciences companies. Prior to that, Cary spent more than a decade at Biogen where he held a variety of senior and executive level U.S. and global management roles focused on business and market development, product development and commercial operations. Earlier in his career, Cary spent several years in corporate finance in the Health Care Investment Banking Group of Lehman Brothers. He earned his M.D. from the University of Pennsylvania, his MBA from the Wharton School of the University of Pennsylvania and holds a B.A. in biochemistry from Columbia University.

Cary learned to play ping pong from his dad at age 8 and played and won multiple competitive camp tournaments in his teens.

Administrative Support

Zoë Angell
Executive Assistant
Zoe@thirdrockventures.com
(617) 585-2030

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

Frank T. Gentile, Ph.D.

Venture Partner

Mark A. Goldsmith, M.D., Ph.D.

Venture Partner

Perry Karsen

Venture Partner

Christoph Lengauer, Ph.D.

Venture Partner

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

Venture Partner

Stephen Sherwin, M.D.

Venture Partner

Barbara Weber, M.D.

Venture Partner

Entrepreneurs-In-Residence

Keith Dionne

Entrepreneur-in-Residence

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

Entrepreneur-in-Residence

Robert Kamen, Ph.D.

Entrepreneur-in-Residence

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

ENTREPRENUER-IN-RESIDENCE

Jeffrey Tong, Ph.D.

Entrepreneur-in-Residence

Laurence Turka, M.D.

Entrepreneur-in-Residence

Domain Experts

Brian Albrecht, Ph.D.

PRINCIPAL

Dina Ciarimboli

General Counsel

Cynthia Clayton

Head of Communications

Tim Funnell, DPhil.

Principal

John Keilty

General Manager, Platform Operations

Recruiting

Andrea DiMella

Recruiting Director

Tracy Nicholson

Recruiting Director

Chris Robinson

Vice President, Recruiting

Associates

Chelsea Place Johnson, Ph.D.

Senior Associate

Vyas Ramanan, Ph.D.

Associate

Administrative

Zoe Angell

Executive Assistant

Megan Graziano

Manager of Operations and Administration

Linda Heath

Executive Assistant

Marcia Hemphill

Office Manager - West Coast and Executive Assistant

Rhea Kappa

Receptionist/Administrative Assistant

Laura Klein

Administrative Assistant

Maribel Laboy

Executive Assistant

Ian Miller

Administrative Assistant

Corey O’Keeffe

Event Planner & Communications

Tracy Williams

Executive Assistant

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