WTC 2025

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

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