Leadership
Maureen McBride, Ph.D.
Chief Executive Officer
McBride oversees UNOS to ensure that the nation’s donation and transplant network efficiently and fairly serves the needs of transplant candidates and recipients, living donors and donor family members, and professionals in the field. Read more about Maureen McBride.
Ryan Ehrensberger, Ph.D., FACHE
Chief Strategy Officer
Michael Ghaffari
Senior Director, Technology Development
David Klassen, M.D.
Chief Medical Officer
Jason Livingston, Esq.
General Counsel and Privacy Officer
Tiwan Nicholson, MSIS
Senior Director, IT Operations
Julie Nolan
Vice President, External Affairs
Anthony J. “Tony” Ponsiglione
Chief People Officer
Liz Robbins Callahan, Esq.
Special Counsel
Dale E. Smith, CPA
Chief Financial Officer
Roger Brown
Director, Policy and Community Relations
Laura Cartwright, Ph.D.
Director, Research
Terri Helfrich
Director, Information Security
Nadine Hoffman, MBA
Director, Enterprise Data Management
Melissa Lane, MBA
Director, Patient and Member Support
Jacqueline O’Keefe, MBA
Director, Member Quality
Amy Putnam, MSW, MBA
Director, IT Customer Advocacy
Tamara Rowe
Director, Shared Services
Neelam Singh
Director, Data Analytics
Our vision is a lifesaving transplant for everyone in need
UNOS’ mission and values
Insights from UNOS leaders on key issues