Leadership & Scientific Advisors
One team, passionate about faster trials

Chris O’Brien
CEO

Nilu Celenk
VP Operations, Commercial and Financial Affairs

Brian Chaiken
General Counsel

Cathy Gooch, MBA
Senior Vice President, Human Resources

Alex Dilis
Senior VP, Quality Development

Becky Knockemus
Senior VP, Commercial Operations

Sagar Patil
Executive Director, Asia Regional Operations

EVGENY POLTANOV, MD, PHD
DIRECTOR, EASTERN EUROPEAN OPERATIONS

Kristen Reis
Chief of Staff

Mike Rudolph
SENIOR VP, Information Technology

Hartmut Schmied, MD
Senior VP, Head of Regional Operations

Roberto Silberwasser
VP, Data Sciences & Biometrics

Chetan Tadvalkar
Senior VP of Corporate Strategy and Clinical Delivery

Rend Williams, PMP
VP, Project Management

THIS COULD BE YOU!
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Scientific advisors
Biorasi’s Scientific Advisory Board (SAB) represents the best and brightest in clinical leadership – across key industry focus areas and around the world. Our SAB team brings new perspectives and fresh ideas to your clinical trial solutions.
Alex A. Adjei, MD, PhD, FACP
Oncology
Dr. Adjei is a consultant in Oncology, Professor of Oncology, and Professor of Pharmacology at the Mayo Clinic and Mayo College of Medicine in Rochester, MN. Dr. Adjei oversees oncology drug development as well as lung cancer research and treatment across all three Mayo Clinic sites, and is co-Leader of the Developmental Therapeutics program at Mayo Cancer Center. He has served as the PI on over 70 Phase I trials, as well as over 20 Phase II developmental trials for lung cancer therapy. Dr. Adjei received his MD from the University of Ghana and his PhD in Pharmacology from the University of Alberta, with an internal medicine residency at Howard University and a medical oncology fellowship at Johns Hopkins University.
JAMIE P. DWYER, MD
NEPHROLOGY
Dr. Dwyer is a Professor of Medicine and Director of the Nephrology Clinical Trials Center at Vanderbilt University Medical Center. He is the current Chair of the Board, President, and Principal Investigator of the Collaborative Study Group, an international academic research organization. Dr. Dwyer is a practicing clinical nephrologist and has served on multiple Executive and Steering committees. Dr. Dwyer holds an MD with Distinction from Brown University Medical School and trained in Internal Medicine at Mayo Clinic Florida, and Nephrology and Clinical Research at Vanderbilt.
Ole Isacson, MD, PhD
Neurology
Robert S. Negrin, MD,
Hematology
Dr. Negrin is a Professor of Medicine and former Chief of the Division of Blood and Marrow Transplantation at Stanford University. Dr. Negrin’s current research focuses on the fundamental understanding of graft vs. host and graft vs. tumor reactions, with an emphasis on immune regulatory mechanisms. He has previously served as the President of the International Society of Cellular Therapy and the American Society of Blood and Marrow Transplantation. Dr. Negrin received his MD from Harvard Medical School and trained in Internal Medicine and Hematology at Stanford University.