2019-2020 HCES Officers

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Bill has been a practicing consulting engineer for over 37 years and is a principal of mechanical engineering at Coffman Engineers. He has experience in the design of Heating, Ventilation and Air Conditioning (HVAC), plumbing and fire protection systems. He is a registered mechanical engineer in Hawai‘i and Guam, and a registered fire protection engineer in California, Washington, and Guam. A LEED accredited professional, an ASHRAE certified Healthcare Facility Design Professional (HFDP), a Commissioning Authority (CxA) and Certified Energy Manager (CEM). He is active in ASHRAE and was ASHRAE Hawaii Chapter President in 2014–2015 and also a member of ASME, SFPE, and ASHE. 

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Donna Kishi currently is employed as a thermal specialist sales engineer at Norman S. Wright Mechanical Equipment Company in Waipahu, Hawai‘i. She has been involved in the HVAC industry for 20 years as a manufacturer’s representative in the sales of data center infrastructure equipment. Donna was the owner and president of Power Protection Systems in Waipahu 1991–2015. Previous to 1991, was a health care practitioner for many years. She earned her BS in Nursing from the University of Colorado and MPH from the University of Hawai‘i. She is the immediate past president of the ASHRAE Hawaii Chapter (2015 2016) and is also active in other community non profit service organizations. 




Roger Babcock, PhD, PE is a Professor of Civil & Environmental Engineering in the College of Engineering and the Water Resources Research Center at the University of Hawai‘i at Ma–noa. He obtained his PhD. in Civil Engineering from UCLA in 1991. He is the CE Graduate Program Chair and longtime ASCE student chapter faculty advisor. Dr. Babcock conducts research on biological wastewater treatment, on-site wastewater treatment, and stormwater runoff management. Dr. Babcock is the current president of the Hawai‘i Water Environment Association (HWEA), serves on the Board of Certification of Wastewater Treatment Plant Operators, and is director of Hawai‘i’s Statewide Wastewater Operator Training Center.