Our Team

Management Team

CEO – Sijme Zeilemaker

Over 10 years of experience in biotech companies in oncology, business development and investor relations. Building companies, pursuing industry leadership, pitching to pharma and investors.

COO & Founder – Gerben Zondag, PhD

Over 20 years of experience in biotech companies in operational and leadership roles. Strong entrepreneurial skills and scientific background in molecular biology.

CSO – Jeroen van Bergen, PhD

Cum laude PhD in tumor immunology, EMBO & VENI fellow, 25 years of experience in immunology with over 50 publications.

Supervisory Board

Ron Verweij, chairman 

Healthcare & IT entrepreneur

Paul van der Horst, PhD

CBO Agomab; Head Corporate Development Galapagos

Johan Devenyns

CEO PharmaFluidics; Solvay, bio.be


Scientific Advisory Board

Morten Nielsen, PhD 

Professor Bioinformatics, Department of Health Technology, Technical University of Denmark / CEO of EIR Sciences.

Patrick Ott, MD, PhD

Clinical Director, Melanoma Center, Dana-Farber Cancer Institute / Associate Professor of Medicine, Harvard Medical School.

Kirk Trisler, PhD

Former SVP Manufacturing & Product Development at Gritstone bio.

John Trowsdale, PhD 

Emeritus Professor of Immunology, University of Cambridge.



Prof. Ferry Ossendorp 

Synthetic Vaccine Biology and head of the Tumor Immunology group, Leiden University Medical Center.