ATMA Staff

Clay D. Tyeryar, MAM, CAE, President


Clay is president and assistant treasurer of ATMA. In this capacity, he is responsible for day-to-day operations, delivery of programs and services, budget and liaison with ATMA's Board of Directors. Additional areas of Clay's expertise include lobbying, government relations, fundraising, international exhibition management and production, trade missions and financial controls.  He was one of the first graduates of the George Washington University's Master of Association Management (MAM) Program, earned the Certified Association Executive (CAE) designation from the American Society of Association Executives, and is a graduate of Gettysburg College, with a B.A. in Business Administration.

Harry W. Buzzerd, Jr., CAE, ATMA Management Counsel


Harry (Buzz) was named management counsel to ATMA in 2003; he has served ATMA since 1977 as executive vice president and as president. He began his association management career in 1964 and holds a CAE (Certified Association Executive). He earned a B.A. from Gettysburg College, along with extensive graduate and professional education. In addition to his work with ATMA, Buzz is management counsel for the Process Equipment Manufacturers Association.  He is chairman of Association and Society Management International, Inc., the firm that manages ATMA.

Dawn M. Shiley, CAE, Communications Director


Dawn serves as the communications director for ATMA, managing the content for the ATMA Marketing Memo and the ATMA website. She has more than 35 years of association management experience working for both trade and professional associations. She earned her B.A. from Vanderbilt University and M.A. from George Washington University, along with extensive professional education. She holds a CAE (Certified Association Executive) from the American Society of Association Executives.