Billy Brennan joined the Zoo in 2017. As Director of Public Relations & Government Affairs, he is responsible for leading the organization’s efforts to inspire and engage the public in support of the Zoo’s mission. He leads a high-performing team that advances the organization’s efforts through the development and implementation of communication strategies, programs and activations.

Brennan also leads the Zoo’s government affairs efforts, working closely with federal, state and local lobbyists and consultants to cultivate and steward government support. He is active in the Association of Zoos and Aquariums and serves on its Government Affairs Committee, co-leading the Legislative and Policy Subgroup.

Brennan is a member of the Greater St. Louis, Inc. Government Relations Council and STLMade Advisory Council as well as a board member of North County Incorporated. He also is a graduate of FOCUS Leadership St. Louis (2019-2020). Before coming to the Zoo, Brennan was a strategic leader of communication, marketing and public affairs at a global public relations agency and an agricultural company. He has a bachelor’s degree and master’s degree in communication from Saint Louis University.