Jeffrey Tong, Ph.D.

Partner

Jeff Tong joined Third Rock in 2016, and focuses on drug discovery and development across the portfolio. He brings significant operational experience in building and growing early stage biotechnology companies.  His portfolio company roles include:

  • Chairman of the board and former interim chief executive officer of Ambys Medicines
  • Board member of Nurix

Prior to joining Third Rock, Jeff was Executive Chairman of the Board of Delinia, a company developing novel therapeutics for the treatment of autoimmune diseases.  From 2010 to 2015, Jeff was the President and Chief Executive Officer of Nora Therapeutics. Prior to that, he was a member of the founding management team at Infinity Pharmaceuticals where he led its corporate as well as product development activities. Over the course of his career, he has raised significant capital from both equity markets and pharma partnerships, led teams from preclinical through Phase 3 development, and developed integrated science/business strategies for the building of innovative biotechnology companies. Earlier in his career, he worked at McKinsey & Co. and was a founding researcher at the Harvard Bauer Center for Genomics Research.  Jeff received his educational training at the interface of molecular biology, organic chemistry and medicine and holds A.B. and M.M.S. degrees from Harvard College and Harvard Medical School, respectively, as well as A.M. and Ph.D. degrees from Harvard University.

Jeff’s most memorable experience in biotech is taking a team to Idaho to dig up a plant that contained a chemical precursor for an anticancer drug and then driving a giant U-Haul truck full of this back to a group of waiting medicinal chemists.  

 

Administrative Support

Angelo Severino
Executive Assistant and Office Manager
aseverino@thirdrockventures.com

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

Reid Huber, Ph.D.

Partner

Sarah Larson

Partner/Chief Human Resources Officer

Christoph Lengauer, Ph.D.

Partner

Mark Levin

Partner

Craig Muir

Partner/Chief Technology Officer

Cary Pfeffer, M.D.

Partner

Kevin Starr

Partner

Robert Tepper, M.D.

Partner

Jeffrey Tong, Ph.D.

Partner

Venture Partners

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

Venture Partner

Frank T. Gentile, Ph.D.

Venture Partner

Steve Kafka, Ph.D.

Venture Partner

Robert Kamen, Ph.D.

Venture Partner

Steve Paul, M.D.

Venture Partner

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

Venture Partner

Ton Schumacher, Ph.D.

Venture Partner

Stephen Sherwin, M.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

Samantha Singer

Entrepreneur-in-Residence

Markus Warmuth, 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

Mark Lindsay, M.D., Ph.D.

Fellow

Rahul Mahajan, M.D., Ph.D.

Fellow

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

Senior Associate

Melissa McCracken, Ph.D.

Senior Associate

Kelly Moynihan, Ph.D.

Senior Associate

Luke R. G. Pike, M.D., Ph.D.

Senior Associate

Vyas Ramanan, Ph.D.

Senior Associate

Vanessa Van Voorhis, Ph.D.

Senior Associate

Andrew Warren, Ph.D.

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

Rhea Bisgounis

Senior Administrative Assistant and Recruiting Coordinator

Tracilyn Garcia-Lum

Executive Assistant

Linda Heath

Executive Assistant

Maribel Laboy

Executive Assistant

Megan Lamb

Executive Assistant

Ian Miller

Senior Administrative Assistant

Angelo Severino

Executive Assistant and Office Manager

Carol Speredelozzi

Manager of Operations and Administration

Laura Vitale

Executive Assistant

Tracy Williams

Executive Assistant

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