about us

The Variant Bio Team

Our team has a passion for exploration, and expertise spanning genetics, molecular biology, therapeutics, anthropology, and ethics. We started Variant Bio because we share the belief that human genomics has the power to transform drug development.

Kaja Wasik
Stephane Castel
Kaja Wasik, PhD

CSO & Co-founder

Kaja has spent her career developing novel sequencing platforms and bringing them to market. She completed her PhD in molecular biology at Cold Spring Harbor Laboratory and postdoctoral training at the New York Genome Center.

Stephane Castel, PhD

CTO & Co-founder

Stephane has deep expertise analyzing the genome to understand how genetic variation contributes to disease. He completed his PhD in genetics at Cold Spring Harbor Laboratory and postdoctoral training at Columbia University.

Gabrielle Bertier
Erin Burke
Anne-Katrin Emde
C. Scott Gallagher
Gabrielle Bertier, PhD

Human Genetics

Erin Burke, PhD

Biological Anthroplogy

Anne-Katrin Emde, PhD


C. Scott Gallagher, PhD

Statistical Genetics

Paloma Guzzardo
Sarah LeBaron von Baeyer
Tom Martienssen
Tyler Standley
Paloma Guzzardo, PhD

Target Biology

Sarah LeBaron von Baeyer, PhD

Cultural Anthropology

Tom Martienssen


Tyler Standley

Cloud Architecture

Our Advisors

Jay Flatley
Bruce Stillman
Tuuli Lappalainen
Kiran Musunuru
Jay Flatley

Former CEO and Executive Chairman, Illumina

Bruce Stillman, PhD

President, Cold Spring Harbor Laboratory

Tuuli Lappalainen, PhD

Associate Professor, Columbia University

Kiran Musunuru, MD, PhD

Associate Professor, University of Pennsylvania

Daniel MacArthur
Michael Schatz
Keolu Fox
Fernando Racimo
Daniel MacArthur, PhD

Director, Centre for Population Genomics, Garvan Institute of Medical Research and Murdoch Children's Research Institute

Michael Schatz, PhD

Associate Professor, Johns Hopkins University

Keolu Fox, PhD

Assistant Professor, University of California, San Diego

Fernando Racimo, PhD

Assistant Professor, University of Copenhagen

Our Ethics Advisory Board

Adia Benton
Māui Hudson
Laura Hercher
Misha Angrist
Adia Benton, PhD

Adia is an Associate Professor of Cultural Anthropology at Northwestern University. She specializes in global health, biomedicine, and development and humanitarianism, and in sub-Saharan Africa and Southeast Asia in particular.

Māui Hudson, MHSc

Māui is an Associate Professor at the University of Waikato, New Zealand. He is an expert on the interface between Māori knowledge and science, ethics and new technologies, and Indigenous data sovereignty.

Laura Hercher, MS

Laura is the Director of Research for the Graduate Program in Human Genetics at Sarah Lawrence College. She has expertise in genetic counseling and the ethical, legal, and social dimensions of genetic medicine.

Misha Angrist, PhD

Misha is an Associate Professor of the Practice in the Social Science Research Institute at Duke University. His research and teaching focus on science writing and the governance of human participation in research and medicine.

Our Investors

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Company Culture

Our team is rapidly expanding, and we’re looking for people who aren't afraid to take on new challenges, and are as passionate about improving human health as we are.

We guarantee a work environment that respects and encourages diversity around gender, sexual orientation, disability, age, socioeconomic status, religion, ethnicity, race, and culture.