Erica Gaddis

Erica Gaddis, Ph.D. serves as SWCA’s Vice President of Scientific & Technical Services, where she leads the company’s technical practice directors and guides enterprise-level strategies focused on scientific excellence, innovation, and career development. In her role, Erica works collaboratively with leaders across SWCA to scale technical capabilities and deliver integrated solutions for clients and communities.

With over 20 years of experience spanning environmental consulting, public service, academia, and international policy, Erica brings a wealth of expertise to her position. A proud SWCA “boomeranger,” she has dedicated a combined 10 years to the company, most recently as Senior Water Resources Technical Director. Her previous roles include Director of Utah’s Division of Water Quality, Senior Policy Advisor to the Western States Water Council, and Principal Scientist at SWCA. She regularly collaborates with the United Nations Environment Programme on integrated environmental assessments. Erica has led numerous projects and programs in water quality, hydrology, watershed management, and water resources planning.