ATA staff members are working to advance the future of telehealth. Meet the team.

Ann Mond Johnson
Chief Executive Officer

Paul Samargedlis
Senior Vice President, Business Development & Strategy

Bonnie Knight
Vice President, Member Engagement

Kyle Zebley
Vice President, Public Policy

DeAnna Grosbaum
Director, Events

Melissa Park
Director, Business Development & Strategy

Zak Boswell
Director, Technical Solutions

Carmen Park
Membership Manager

Kevin Baltz
Manager, Operations

Alexis Apple
Policy Associate

Dan Garvy
Manager, Member Engagement

Shannon Callaway
Senior Advisor, Membership

Gina Cella
Senior Advisor, Communications

Denise Ambrose
Chief of Staff

ATA staff photos by Christopher Huang



Founded in 1993, we’re a non-profit association headquartered in Washington D.C. The ATA now includes more than 400 organizations focused on transforming health and care through enhanced, efficient delivery.

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