
Leadership

President
Derek J. Guadagnolo, P.E.
NYS PE License 077853 (2000)
MA PE License 47768 (2008) (Mechanical)
Email: derek@pgengineers.com
Derek is a 1996 graduate of Syracuse University, where he earned a Bachelor of Science degree in Civil Engineering. He began his career with PGPC in 1995 as a student intern, serving as an Owner’s Field Representative on district steam and building renovation projects. Since then, he has contributed to a broad range of civil, site work, HVAC, and plant design projects. In 2006, Derek was named Vice President of the firm.
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Derek is an active member of several professional organizations, including the International District Energy Association (IDEA), the National Society of Professional Engineers (NSPE), the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), and the American Water Works Association (AWWA). He is also a LEED Accredited Professional.
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Derek was appointed President of PGPC in December 2022.

Vice President
Joseph P. McCauley, P.E.
NYS PE License 095130 (2015)
Email: joe@pgengineers.com
Joe is a 2010 graduate of Clarkson University, where he earned a Bachelor of Science degree in Mechanical Engineering. He began his career with PGPC in 2008 as a student intern. Over the course of two summers, he contributed to a variety of projects, including a central chilled water plant expansion, elevator modernizations, fire protection systems, and a university science building renovation.
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Since then as a mechanical engineer, Joe has played a key role in elevator modernization projects, industrial plant work, building HVAC design, and site utility upgrades.
Joe is an active member of several professional organizations, including the International District Energy Association (IDEA), the American Society of Mechanical Engineers (ASME), the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), and the National Society of Professional Engineers (NSPE).
Joe became a partner at PGPC in December 2019 and was named Vice President of the firm in December 2022.

Principal
Chad E. Loomis, P.E.
NYS PE License 082424 (2005)
NH PE License 16505 (2020)
Email: chad@pgengineers.com
Chad is a graduate of Tompkins Cortland Community College, where he earned an Associate of Science degree in Engineering Science. He recently returned to PGPC as a Professional Engineer, bringing with him extensive experience in electrical design. Chad previously worked at PGPC from February 1994 through November 2004, specializing in lighting, fire alarm systems, secondary electrical distribution, and standby power.
From 2004 to 2011, Chad served as a Senior Electrical Engineer at Cornell University. He then transitioned into a leadership role as Senior Associate Director in Student & Campus Life (SCL) Facilities Management from 2011 to 2019. Most recently, he was Director of Operations for the Facilities Operations and Management Group at Dartmouth College from 2019 until June 2022.
Chad has been a member of the Illuminating Engineering Society of North America (IESNA) since 1995. He has served as both a Board Member and President of the Syracuse Chapter and led the revision of IES Recommended Practice RP-3, Lighting for Educational Facilities. He has also been a member of the National Fire Protection Association (NFPA) since 2000 and currently serves on the national committee for NFPA 110, Emergency Power Supply Systems. Additionally, Chad acts as the designated plan reviewer for elevators and vertical conveyances for the City of Syracuse.
Chad was named a Principal at PGPC in January 2023.