Meet Our Team

Meredith Ford O'Neal

Chief Executive Officer

Meredith Ford O’Neal

Chief Executive Officer

Staff

Ellen Hostetler

Chief Science Officer

Jenn Vacirca

Director of Operations

Bella Marin

Patient and Advocacy Coordinator

Karen Slimocosky

Development Manager

Whitney Strauss, PhD

Chairman

Board Members

George Arnaoutakis, MD

Brian Brantley

Alex Bussenger

Chris Frost

Kent Johnson

Rhonda Monroe

Bridget Porter (Metz)

Tyler Ritter

Donald Schwartz

Matthew Solomon, MD, PhD

Carolyn Wang

Gregory Weaver

Amy Yasbeck – Founder

Headshot of Dr. Dianna Milewicz, a blonde doctor wearing a red blazer

Dianna Milewicz, MD, PhD
Chairman
The University of Texas
Health Science Center at Houston

Professional Advisory Board

All PAB members contribute their expertise on a pro bono basis with no conflict of interest between their professional work and the volunteer work they do for The John Ritter Foundation for Aortic Health.

Ali Azizzadeh, MD
Cedars Sinai

Joanna Chikwe, MD
Cedars Sinai

Anthony Estrera, MD
The University of Texas
Health Science Center at Houston

John Elefteriades, MD
Yale School of Medicine

Kim Eagle, MD
University of Michigan Health Center

Loren Hiratzka, MD
Retired
Ā 

David Liang, MD, PhD
Keck Medicine of University of Southern California

Ā 

Robert Ohle, MD
Health Science North-Ontario

Maral Ouzounian, MD, PhD
Toronto General Hospital

Virendra Patel, MD, MPH
Columbia University

Siddharth Prakash, MD, PhD
The University of Texas
Health Science Center at Houston

Eric Roselli, MD
Cleveland Clinic

Sherene Shalhub, MD, MPH
Oregon Health & Science University

Ā 

Emeritus Professional Advisory Board Members

Lars Svensson, MD
Cleveland Clinic