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

Software Engineering

Akhila Kosaraju
Akhila Kosaraju, MD


Our Advisors

Jay Flatley
Bruce Stillman
Tuuli Lappalainen
Daniel MacArthur
Jay Flatley

Executive Chairman, Illumina

Bruce Stillman, PhD

President, Cold Spring Harbor Laboratory

Tuuli Lappalainen, PhD

Assistant Professor, Columbia University

Daniel MacArthur, PhD

Associate Professor, Harvard Medical School

Kiran Musunuru
Michael Schatz
Fernando Racimo
Kiran Musunuru, PhD

Associate Professor, University of Pennsylvania

Michael Schatz, PhD

Associate Professor, Johns Hopkins University

Fernando Racimo, PhD

Assistant Professor, University of Copenhagen

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're located in New York City, and have a great work environment based out of a beautiful office in New Lab.

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

Be a part of Variant Bio

Job Openings

  • Biostatistican · New York

    We’re seeking someone who has expertise working with large scale biomedical datasets and modeling quantitative phenotypes in the context of human health.

    Job Description
  • Data Scientist · New York

    We’re seeking someone with experience using machine learning approaches to analyze large scale biomedical data and mine scientific literature.

    Job Description
  • Population Geneticist · New York

    We’re seeking someone with the ability to use population genetics to understand global variation in human phenotypes.

    Job Description