WTC 2025 Organizing Committees
Meet the Committees
The success of WTC 2025 in San Francisco is made possible by the dedication and expertise of our Organising Committee. Comprising a diverse team of healthcare professionals, event specialists, and passionate volunteers, this group is at the heart of bringing this global conference to life.
Our Organising Committee is committed to creating a memorable and enriching experience for all attendees. With a deep understanding of organ transplantation pivotal role in healthcare, our team is working tirelessly to ensure that WTC 2025 exceeds your expectations.
WTC 2025 Committees
EXECUTIVE COMMITTEE
Emily Blumberg
AST
EC Chair
John Gill
AST
Executive Committee
Marcelle McPhaden
TTS
Executive Director
Marcelo Cantarovich
TTS
Executive Committee
Stefan Tullius
TTS
Executive Committee
Jen Gillespie
AST
Director of Meetings – Meeting Oversight
Kim Olthoff
ASTS
Executive Committee
Tim Pruett
ASTS
Executive Committee
Tracy Reynolds
ASTS
Associate Director, Meetings & Education
FINANCE COMMITTEE
Denise Rainville
TTS Staff
Finance
Marcelo Cantarvich
TTS
Finance Chair
John Fung
TTS
Finance Committee Member
Rich Formica
AST
Finance Committee Member
Anil Chandraker
AST
Finance Committee Member
Elizabeth Pomfret
ASTS
Finance Committee Member
William Chapman
ASTS
Finance Committee Member
STAFF COMMITTEE
Denise Rainville
TTS Staff
Finance
JoAnn Gwynn
AST Staff
Chief Development Officer – Sponsorship
Jen Gillespie
AST Staff
Director of Meetings – Meeting Oversight
Tracy Reynolds
ASTS Staff
Associate Director, Meetings & Education
Marcelle McPhaden
TTS Staff
Executive Director
Robert Colarruso
TTS Staff
Director of Technologies
Diane Mossholder
ASTS Staff
Chief Operating Officer
SPONSORSHIP COMMITTEE
Ellie Proffitt
ASTS Staff
Manager, Research & Development
JoAnn Gwynn
AST Staff
Chief Development Officer
Denise Rainville
TTS Staff
Finance
REGISTRATION COMMITTEE
Julie Atkinson
AST Staff
Director of Membership – Registration
Ning Duan
ASTS Staff
Associate Director, Member Relations & IT – Registration
Robert Colarruso
TTS Staff
Director of Technologies
PROGRAM COMMITTEE
Tim Pruett
ASTS
Program Committee Chair
Peter Stock
ASTS
Program Committee Member
Jonathan Maltzman
AST
Program Committee Member
Deepali Kumar
AST
Program Committee Member
Carla Baan
TTS
Program Committee Member
Curie Ahn
TTS
Program Committee Member
Dempsey Hughes
AST
Program Committee Member – Young Thought Leader
Yanik Bababekov
ASTS
Program Committee Member – Young Thought Leader
Ala Ali
TTS
Program Committee Member – Young Thought Leader
MARKETING COMMITTEE
Shauna O’Brien
AST Staff
Director of Marketing & Communication
Anna Shults
ASTS Staff
Specialist, Communications & Marketing
Robert Colarruso
TTS Staff
Director of Technologies