Dennis Wessel, P.E., Fellow/Life Member ASHRAE, LEED® AP
Dennis Wessel, PE, Fellow/Life Member ASHRAE, retired as a Senior Vice President and Director of Marketing with Karpinski Engineering, and has more than 45 years of consulting engineering experience. Dennis was an ASHRAE Director-at-Large (2012–2015) and past chair of the Planning Committee, Conferences & Expositions Committee and Handbook Committee. He was also past chair of both TC 9.1 Large Building HVAC Systems and TC 9.12 Tall Buildings.
He is currently a member of the ASHRAE Foundation, Development Committee and of the Technical Activities Committee and is a TC Section Head. He received ASHRAE's Distinguished Service and Exceptional Service Awards and was named Outstanding Engineering Alumni 2004 by Cleveland State University and Engineer of the Year 2003 by the Cleveland Technical Society Committee.
Doug Zentz, Member ASHRAE
Douglas F. Zentz, Associate Professor, is in the HVACR Programs within the College of Engineering Technology at Ferris State University and past HVAC Program Coordinator. He is a past President of West Michigan ASHRAE, a past RVC of Student Activities for Region V, past Chair for Student Activities within ASHRAE, and past Regional Members Council Representative for Region V. He is currently the Director and Regional Chair for Region V of ASHRAE. He has been a DL (Distinguished Lecturer) for ASHRAE since 2012 and has eight (8) approved topics.
In the field of HVACR, his background includes professional engineering sales for the Trane Company, manager of engineering-design-build for W.J. O’Neil Company in Detroit, and vice-president of engineering for EPPA-Strand Custom Air Handling in Detroit. This experience started in 1980 and continued until his transformation into teaching at Ferris State University in 2003.