Koon is an environmental engineer, licensed as a Professional Engineer in five states, and a board certified environmental engineer. In addition to his experience in the U.S. with industry, municipalities, and federal facilities, he has worked with industrial clients in Western Europe, Canada, Latin and South America, and the South Pacific. With more than 35 years of experience, he expertise in industrial and municipal wastewater treatment (including the treatment of groundwaters), contaminated site remediation, strategy development, technology evaluations, water quality assessment, and permitting. He has extensive experience working with capital projects delivery teams with client organizations and other engineering firms. A significant amount of his experience has involved solving environmental problems in chemically complex systems. He has been a key contributor to significant advances in the technologies used worldwide in the treatment of industrial wastewaters.

The Water Environment Federation is a not-for-profit association that provides technical education and training for thousands of water quality professionals who clean water and return it safely to the environment. WEF members have proudly protected public health, served their local communities, and supported clean water worldwide
since 1928.

In addition to his environmental engineering work, Koon has been an active member of the ABET serving on the executive committee of the Engineering Accreditation Commission (EAC) of ABET for eight years and as an ABET evaluator for 12 years.

ABET is a nonprofit, non-governmental organization that accredits college and university programs in the disciplines of applied science, computing, engineering, and engineering technology. ABET accredits over 3,100 programs at more than 670 colleges and universities in 24 countries. ABET provides specialized, programmatic accreditation that evaluates an individual program of study, rather than evaluating an institution as a whole.