Board of Directors

About Us

David Elefant
President
Board Member since 2019
Alameda, CA
About Us

Richard Tolsma
Vice President
Board member since 2023
Philadelphia, PA
About Us

Byron Vielehr
Treasurer
Board member since 2023
Milwaukee, WI
About Us

MARIANNE TAWA, RN, MSN, ANP
Secretary
Board member since 2011
Boston, MA
Madeleine Curry
About Us

Madeleine Curry
Director
Board member since 2025
Toronto, ON
About Us

STEVEN HORWITZ, MD
Director
Board Member since 2013
New York, NY
Robert Hulse
About Us

Robert Hulse
Director
Board member since 2025
Mableton, GA
About Us

YOUN KIM, MD
Director
Board member since 2016
Palo Alto, CA
Rick Kitchen Director
About Us

Rick Kitchen
Director
Board member since 2024
Columbus, OH
Kelly Paul
About Us

Kelly R. Paul
Director
Board member since 2025
Burlington, NC
About Us

Susan Thornton
Chief Executive Officer
Board member since 2011
Philadelphia, PA