Subcommittee on Technology and Innovation - Green Transportation Infrastructure: Challenges to Access and Implementation
Ms. Gloria Shepherd is the Associate Administrator for Planning, Environment, and Realty at
the Federal Highway Administration (FHWA) of the U.S. Department of Transportation (DOT).
Mr. Benjamin Grumbles is the Assistant Administrator for the Office of Water at the U.S.
Environmental Protection Agency (EPA).
Mr. Sam Adams is the Commissioner of Public Utilities for the City of Portland, Oregon. His
jurisdiction includes the Bureau of Environmental Services and the Office of Transportation.
Mr. Dan Huffman is the managing director for national resources for the National Ready Mixed
Concrete Association (NRMCA).
Mr. Hal Kassoff is the senior vice president for sustainable development at Parsons
Brinckerhoff, a leading construction firm.