Leadership
Brian Shepard
Chief Executive Officer
Shepard directs the efforts of more than 350 UNOS staff to ensure that the nation’s transplant network efficiently and fairly serves the needs of transplant candidates and recipients, living donors, donor family members, and transplant professionals. Read more about Brian Shepard.
Mary Ellison, Ph.D., M.S.H.A.
Chief External Relations Officer
Stephen Harms
Chief Operating Officer
David Klassen, M.D.
Chief Medical Officer
Maureen McBride, Ph.D.
Chief Contract Operations Officer
Alex Tulchinsky
Chief Technology Officer
Ryan Ehrensberger, Ph.D., FACHE
Senior Director, Research and Business Development
Jason Livingston, Esq.
General Counsel
Henrisa Tosoc-Haskell, RN, M.S., M.S.H.A, CMQ-E
Senior Director, Organizational Excellence
Richard Blair, M.S.I.S.
Director, Information Security
Roger Brown
Director, Organ Center
Bob Carrico, Ph.D.
Director, Research
Daryl Chesley, Ed.D.
Director, Professional Education
Craig Connors
Director, Policy and Community Relations
Brian Dudley
Director, Facilities and Security Department
Jennifer Gavin
Director, UNOS Meeting Partners
Thomas Millisor, M.B.A., CFRE
Director, UNOS Solutions
Catherine Monstello
Director, Enterprise Data Management
Mary Beth Murphy
Director, Communications
Tiwan Nicholson, M.S.I.S.
Director, IT Operations
Jacqueline O’Keefe, M.B.A.
Director, Member Quality
Tony Ponsiglione
Director, Human Resources
Amy Putnam, M.S.W., M.B.A.
Director, IT Customer Advocacy
Lisa Schaffner
Director, Public Relations and Marketing
Marty Wilson
Director, Software Engineering