Alexis Borisy

Partner

Alexis Borisy is a successful biotechnology entrepreneur with more than 20 years of experience building and operating innovative science-based organizations. Alexis joined Third Rock Ventures in 2009 to focus on the formation, development and strategy of new companies. He has played key roles in launching and building several of our portfolio companies:

  • Executive chairman of the board of Celsius Therapeutics
  • Chairman of the board of Tango Therapeutics
  • Chairman of the board and former interim chief executive officer of Warp Drive Bio
  • Executive chairman, co-founder and former interim chief executive officer of Relay Therapeutics
  • Board member of Magenta Therapeutics
  • Board member, co-founder and former interim chief executive officer of Foundation Medicine 
  • Board member, co-founder and former interim chief executive officer of Blueprint Medicines
  • Board member of Editas Medicine
  • Board member of Revolution Medicine

Prior to joining Third Rock Ventures, Alexis founded CombinatoRx in 2000, serving as its chief executive officer and bringing the company public on the NASDAQ. He has raised billions in financing and business development deals, and has authored numerous scientific papers and patents. Trained in chemistry and chemical biology at Harvard where he was a Howard Hughes Predoctoral Fellow, Alexis was honored as the Massachusetts Institute of Technology’s Technology Review Innovator of the Year. He was also chosen as the New England Entrepreneur of the Year in Life Sciences and was honored as a Presidential Scholar.

Alexis’ undergraduate degree in chemistry is from the University of Chicago, and he did his graduate work in the laboratory of Dr. Stuart Schreiber at Harvard University. Alexis is a trustee of the Boston Museum of Science, is a co-founder and former chairman of FORMA Therapeutics, and serves on the board of the National Venture Capital Association.

Alexis' first job was selling peanuts at Wisconsin Badger football games at age 14.

Administrative Support

Megan Lamb
Executive Assistant
mlamb@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

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

Steve Kafka, 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

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

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

Fellow

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

Senior Associate

Melissa McCracken, Ph.D.

Associate

Kelly Moynihan, Ph.D.

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

Receptionist/Administrative Assistant

Tracilyn Garcia-Lum

Executive Assistant

Linda Heath

Executive 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

At Third Rock, people are our most valuable asset

Check our Careers page to learn about career opportunities within the Third Rock portfolio

Third Rock Careers