Elizabeth Diller

Elizabeth leads ICF’s energy practice, which includes utilities, on and offshore renewables, mining, oil and gas and fiber optic cable projects throughout the U.S. She serves as a strategic advisor on complex energy projects. Elizabeth builds integrated teams from within our deep bench of experts as well as other firms that can form a cohesive unit to meet client needs and goals.

Elizabeth founded and led ICF’s offshore wind practice and led this team for five years. She has an in-depth knowledge of the Bureau of Ocean Energy Management’s environmental review process for offshore wind energy projects and the industry in the United States.

Elizabeth has more than two decades of experience guiding a range of projects through the National Environmental Policy Act (NEPA) process. She is an expert on NEPA implementation and related requirements. Elizabeth has managed NEPA documents for numerous federal agencies and has a proven ability to direct teams of resource specialists to provide thorough, defensible analyses under compressed schedules. Her clients and project teams value her ability to provide NEPA compliance advice and strategies that meet the intent of NEPA but also enable projects to stay on schedule.