Richard Lewis is a Principal Engineer at HSA Engineers & Scientists, a member of the CRA family of companies, in Fort Myers, Florida with corporate responsibilities for the Environmental Engineering Department. He has been with HSA since 1996 and is the largest individual shareholder and Secretary of the Board of Directors. Richard is or has acted as the Project Manager or lead Technical Advisor on HSA's contracts with the Department of Energy, City of Fort Myers, City of Tampa, NASA, Intel, and the Florida Department of Environmental Protection (FDEP), to name a few. He is a member of the Enhanced Attenuation Chlorinated Solvents (EACO) and Risk Assessment Resources teams of the Interstate Technology Regulatory Council (ITRC). Richard is an instructor on the ITRC EACO team's Internet-based training course, training regulators and others in the environmental community nationally. For the FDEP, he has acted as a peer reviewer for Chapter 62-785 FAC, which contained the original risk-based regulatory values for soil and groundwater. In addition, he served on the Methodology Focus Group of the Contaminated Soils Forum, which aided in the development of Global RBCA.

He is a regular speaker at the Battelle Conferences, the Florida Remediation Conference, and the Theis Conference, which is an international invitation-only environmental conference. In addition, he recently invented a novel technique (Modified Active Gas Sampling) to assess volatile contaminants in soil, which in currently in use by the State of Florida for the Drycleaning Solvent Cleanup Program. He leads the Vapor Intrusion Group within HSA. Finally, he is the representative for both the Florida Engineering Society and the MIT Club of Southwest Florida for improving K-12 science and engineering education in Southwest Florida.

Richard earned a bachelor's degree in physics from Centre College in Danville, Kentucky in 1988 and a bachelor's degree in environmental engineering from Vanderbilt University in Nashville, Tennessee in 1998 (3-2 Engineering Program). He earned master's degree in 1990 and doctorate in 1994 in environmental engineering from the Massachusetts Institute of Technology in Cambridge, Massachusetts. He is a registered Professional Engineer in Florida and he is board-certified in hazardous waste engineering by the American Academy of Environmental Engineers.