Joe has been in the HVAC service industry for more than 34 years working for both OEM manufacturers and independent service and construction contractors. During his career he has held positions in field service, service technology, sales and service management.

In his current role, he leads a group of operating companies within Comfort Systems USA that have doubled their service revenue and profitability in less than five years, and is also leading Comfort Systems USA field service technology team with the goal of identifying and implementing new technologies into the HVAC service organization.

After a successful 30-year career at Johnson Controls in Atlanta and Milwaukee, David, and his twin brother Conrad, in 2023 launch Twin Bishop Strategies LLC, a business consultancy to help HVAC and building services organizations navigate rapid business changes.

Joining Johnson Controls in 1993, David held six leadership positions with increased responsibilities, including leading service operations and innovation for North America. Previously, he served as President – Service Division of Servidyne Inc., based in Los Angeles and Atlanta. As President, he co-wrote the business plan that was instrumental in selling the national HVAC/Chiller service business to Johnson Controls. David — an inspirational, purposeful leader who combines business and technical expertise to lead his teams to exceed their goals — retired from Johnson Controls in 2022.

David received his BSBA in finance from Auburn University and completed Executive Education courses in finance, mergers, acquisitions, analysis, planning & control at the University of Michigan, and Northwestern University.

Tim Spencer has a diverse background of manufacturing management, operations leadership, service and support, and general management. With unique solutions and innovation, Tim has led revenue and profit growth, new product development,

and customer satisfaction at The Standard Register Corporation, General Binding Corporation, ACCO Brands, WMS Gaming Inc, Scientific Games, Bunn-o-matic Corporation, and Interblock Gaming. He is the recipient of excellence awards from both Gartner Group and Aberdeen, and has been recognized by technology organizations for implementations in field service management solutions. Just prior to retirement and as a capstone to his career he was honored with both a Hall Of Fame award from WBReserch Field Service as well as 2024 Stand Out 50 Service Leader by Future Of Field Service. He is a graduate of the University of Utah with a degree in Business Finance and retired to Saratoga Springs, UT.