Executive Team

Greg Tietjen, PhD​

Co-Founder & Chief Executive Officer

Former Assistant Professor at Yale, ​Pioneer of human ​organ research

Kourosh Saeb-Parsy, MD/PhD

Co-Founder & Chief Medical Officer

Professor of Transplantation, Transplant Surgeon at the University of Cambridge, UK

Jenna DiRito, PhD

Co-Founder & Chief Product Officer

World expert in human organ research operations

Peter Buniak

Co-Founder & Chief Operating Officer

Life sciences CIO and CTO, 20 years of technology architecture development

Helen Hughes​

Co-Founder & Chief People Officer

Former Senior Executive at Amazon, 20 years creating high performance teams in rapid growth organizations

Janeta Nikolovski

Chief Data Innovation Officer

Formerly with Johnson & Johnson, 25 yrs Research & Product Development across Pharma, Biotech, Med Device, Digital and Consumer Products​

Milad Alucozai

Co-founder & Chief Business Officer

Neuroscientist turned venture capitalist, Business Development experience across high growth startups and large pharma

“Donor organs don’t need to be transplantable to be transformative”

Greg Tietjen – Revalia Bio CEO