EW #677 is a Qualified Environmental Professional with 25 years of experience in air quality analysis using dispersion modeling to analyze continuous and accidental releases, compliance with air quality regulations, air toxics rules, stack sampling, ambient air monitoring, and litigation support. He has extensive experience as an expert witness and course instructor in dispersion modeling and air quality regulations.

EW #677  founded , Inc. in Dallas in 1974 as a solo practitioner, after a career with Mobil Oil, USX, and Core Laboratories. He also had previous experience in management consulting. Today he employs more than 200 people and is the largest independent provider of air quality consulting services in the nation. EW #677  serves as CEO of the company.

During 1991-92, he served as president of the Air & Waste Management Association, a 12,000-member international professional society. He has taught an internationally recognized short course on dispersion modeling, offered more than 150 times in the past 25 years. He has been a visiting lecturer at Princeton University and has delivered graduate seminars at six other unviersities. He has also written more than 20 peer-reviewed technical papers on environmental topics.

EW #677  earned a B.S. in Mechanical Engineering from Princeton University and an MBA from Northwestern University.