The APS Energy Services team is comprised of individuals from a variety of backgrounds with high levels of expertise and capabilities. With an average of 20 years of experience, each of our team members is a trusted and knowledgeable expert in the industry. APS Energy Services employs more than 25 PEs, CEMs, CMVPs, PhD, MBAs and LEED®AP certified professionals.

Executive Team

Robert (Bob) W. Georgeoff

Bob brings with him over 20 years of energy and energy-related experience to his daily responsibilities as the Managing Director of APS Energy Services. With primary responsibilities for the Energy Solutions group, Bob oversees all facets of APS Energy Services government relations, energy efficiency projects, renewable energy solutions, financial deal structuring, as well as, measurement and verification and risk management functions. Bob’s extensive knowledge of the energy and energy efficiency industry includes project development, supply side agreements, PPA deal structures, capital placements, renewable energy products and the operational management experiences for a Fortune 500 Company. Committing to a vision that APS Energy Services will become the premier energy services provider in the Southwest, Bob describes his group as a nimble, boutique firm that enjoys the backing of a stable 120 year old parent company.

Putting “people first”, Bob and his team cater to the public market segments including state agencies, cities, counties, school districts, universities and tribal government. While priorities may change amongst Clients, APS Energy Services’ solutions are centered on striking the balance between financial, environmental and social stewardship.

Bob obtained a Bachelor of Science degree in Business from the University of Arizona, ongoing executive training from INSEAD and Wharton and is currently a member of the Arizona Chapter of the Energy Services Coalition.


Michael E. Perfette

As Director of Operations and Facilities for Northwind Phoenix, Mr. Perfette has over 28 years of experience in Facilities and Project Management. He oversees the Northwind Phoenix District Cooling Operation that provides cooling to 27 customers in Downtown Phoenix that include Chase Field and US Airways Center. In addition, Northwind operates a CHP plant at Arizona State University and Tucson Convention Center. 

Prior to joining APS Energy Services, Mr. Perfette worked for the City of Phoenix where he held the position of Deputy Public Works Director.  He was responsible for the facilities management of city-owned facilities in downtown Phoenix and was most recently the Operational and Technical Systems Advisor and Owner Representative to the design teams and contractors on several high profile construction projects in downtown Phoenix including the $600 million Phoenix Convention Center Expansion, $233 million ASU Downtown Campus Development and the Translational Genomics Institute located at the Phoenix Biomedical Campus. 

Mr. Perfette completed a 4-year electrical apprentice program and attended Ottawa University for three years majoring in Public Administration.