GBTA Board of Directors 

GBTA’s Board of Directors serves as the governing body and is responsible for establishing the focus and direction of the Association. The Board consists of fourteen members who include: President & CEO, Vice President, the Immediate Past President, the President and Vice President of the Council of Allied Leadership, the President of the Chapter Presidents’ Council, and five Direct members elected at large, and two Allied members elected at large.  The Executive Director & COO serves as an ex-officio member.


The President & CEO and the Vice President each serve two-year terms. The Direct At-Large Board Members serve staggered three-year terms. The Allied At-Large Board Members, and the President and Vice President of the Allied Leadership Council and the President of the Chapter Presidents’ Council each serve two-year terms.   

GBTA Board Members


Christle Johnson Christle Johnson, CCTE, GLP, GTP
GBTA President & CEO
Director, Business Services
Johnson Downie LLC
Mark Ziegler Mark Ziegler, CCTE, GLP, GTP
GBTA Vice President
Senior Travel Manager Americas, NetApp
Donna Kelliher

Donna Kelliher, CTC, GLP
GBTA Chairperson and Past President

Director, Travel & Corporate Services


Mike McCormick Michael W. McCormick
GBTA Executive Director & COO
Scott Solombrino

Scott A. Solombrino
President, GBTA Allied Leadership Council  
President & CEO
Dav El Chauffeured Transportation Network

Dorothy Dowling
Vice President, GBTA Allied Leadership Council
Senior Vice President of Marketing and Sales for Best Western International

Billy Bos Billy Bos
GBTA Board Member
Associate Director of Group, Worldwide Sales
Best Western International
Eric Norberg Eric Norberg
GBTA Board Member
Director, Global Business Development
Carlson Wagonlit Travel
Bhart Sarin

Bhart A. Sarin, CCTE, C.P.M., GTP
GBTA Board Member
Global Procurement — Travel and Fleet

Ingredion Incorporated


Cindy Shumate Cindy Shumate, GTP
GBTA Board Member
Travel Program Manager
Princeton University
Karin Thompson Karin Thompson, CCTE, GLP
GBTA Board Member
Senior Global Travel Manager
ViaSat, Inc.

Denise Truso, CCTE, GTP
GBTA Board Member
Director, Global Travel

St. Jude Medical

Rita Visser

Rita Visser, GTP

GBTA Board Member
Director, Global Travel GPO


Gloria Gonzalez, CCTE, GTP
CPC President
HR Mobility Manager
Lhoist North America