
Meet the Team

Meet the Team

Principal Founder, Chief Development Officer, Board Director

Madeleine Beans
Senior Research Associate, Protein Sciences

John Burg
Director, Protein Sciences

Jen Cao
Director, Discovery

Suzana Kahn
Director, Biology

Pin-Joe Ko
Scientist II, Discovery

Shefah Qazi
Scientist II, Protein Sciences

Moises Rivera
Lab Manager

Joseane Sampaio
Senior Research Associate, Biology

Tiffany van Londen
Senior Manager, Operations
Cornelio Balmaceda
Animal Technician
Grace Blacker
Research Associate II, Biology
Rachel Brewer
Senior Associate Scientist, Biology
Mimi Enea
Senior Executive Assistant
Douglas Faget
Scientist II, Biology
Sarah Fernandes
Director, Project Management
Giovanni Forcina
Scientist II, Translational Science
Kartik Gupta
Scientist II, Biology
Justin Hansen
Scientist II, Discovery
Sheri Haynes
Controller
Seth Ludwig
Scientist I, Protein Sciences
Ivy Nguyen
Human Resources
Karmen Pantoja
Associate, Operations
Laura Valenzuela
Senior Research Associate, Discovery
Our Leadership
Amira Barkal
Principal Founder, Chief Development Officer, Board Director
Steve Gillis
Board Director
Ravi Majeti
Cofounder, Scientific Advisor, Board Observer
Roy Maute
Cofounder & Chief Scientific Officer
Jacob Vogelstein
Board Director
Irv Weissman
Cofounder, Scientific Advisor, Board Director
Our Investors





Careers
We believe in improving lives, and we’re inspired by those in our families and communities impacted by cancer. Our fundamental purpose is to defy cancer and help patients thrive. If you share this aspirational goal and have the courage to be exceptional and take on the challenges that lay ahead, check out our open positions.
