TAGD Staff
Adam Foster
Executive Director
Adam became the Executive Director of TAGD in February 2024, bringing over 15 years of experience in groundwater science and regulation. In this role, he oversees the day-to-day operations of the organization and serves as the primary point of contact for TAGD members, the Texas Legislature, state agencies, and other organizations on groundwater-related issues. Before joining TAGD, Adam served as the Program Hydrologist for the Water Well Program at the Texas Department of Licensing & Regulation (TDLR), where he worked closely with groundwater conservation districts on a wide range of groundwater management and policy matters. Prior to his tenure at TDLR, he was a hydrologist with the U.S. Geological Survey, conducting research on contaminant transport in karst aquifers, groundwater-surface water interactions, and the occurrence and fate of organic contaminants in the environment. Adam holds a Master of Science in Chemistry from Texas State University, where he also earned dual Bachelor of Science degrees in Chemistry and Mathematics.
Annick P. Maddox
Manager of Administration & Events
Annick joined TAGD in January of 2023. She brings over 10 years of experience in organizational management and administrative support involving various entities ranging from small to large (800+) businesses, including municipal. Previously as Operations Manager for Austin Drainage + Landscape Development, Annick oversaw all operations for quality assurance, created & implemented SOP’s, and managed all day to day functions of the company. Earlier in her career as Conservation Crew Supervisor she assisted the Edwards Aquifer Habitat Conservation Plan Manager for the City of San Marcos in public education, managing a team of interns, and coordination with state agencies and private contractors. Annick holds a B.S. degree from Texas State University in Geography – Resource and Environmental Studies with a geology minor and a certificate in Water Policy.
Stephanie Keith
Manager of Programs & Communications
Stephanie joined TAGD in February 2025, bringing over seven years of experience in groundwater education, strategic outreach, and public engagement to promote awareness and stewardship of Texas’ water resources. Before joining TAGD, Stephanie served as the Education and Public Relations Coordinator for the Middle Trinity Groundwater Conservation District, where she played a pivotal role in enhancing the district’s educational initiatives and community engagement. Stephanie also led the development of the Ditch Water Discovery Center, a living classroom designed to support groundwater conservation and land stewardship. In addition, Stephanie has been an active TAGD member and previously served as Secretary on the Executive Committee. Stephanie holds a Bachelor of Science in Animal Science, a Bachelor of Science in Wildlife Management, and a Master of Education in Curriculum & Instruction, all from Tarleton State University.
