Leadership Team


Geoffrey Kasselman

Geoff co-founded Op2mize Energy with the recognition of the inextricable relationship between real estate and energy. As an industry leader in innovation in real estate, Geoff has long been providing clients with strategy for the future of their workplace technology. Beyond Op2mize, Geoff has led national accounts for real estate development and investment firms CRG and Newmark Grubb Knight Frank. Geoff has given several high-profile keynote speeches on an array of forward-looking disruptive technology topics to industry and business audiences around the world. He has also served as the Global President of the Society of Industrial and Office Realtors (SIOR) and sits on various tech Advisory Boards. Geoff earned a BGS from the University of Michigan.

Jim Dunne

Jim oversees all aspects of Op2mize Energy’s business, including implementation of energy strategy and business development. Since its founding in 2013, Jim has managed the growth and evolution of Op2mize’s service offering, expanding into every major market in North America. Jim has an extensive background in real estate, previously managing development for the Pulte Group. Jim also spent several years working in real estate private equity, shifting his focus to energy as an essential aspect of asset management.

Jim is a licensed Professional Engineer and graduate of Purdue University. He currently sits on the board of the Calumet Area Industrial Commission, and is an active member of the Chicago Federal Reserve Quarterly Industrial Roundtable.

VP, Marketing & Operations

Shay Dunne

Shay oversees customer relations, operations, and marketing for Op2mize Energy, working closely with both customers and retail energy suppliers. Shay ensures that customers both new and existing, are kept apprised of their energy status and market opportunities, while managing the transactional activity of contracts. Prior to joining Op2mize in 2013, Shay worked in advertising account management and media sales. In her free time, Shay enjoys yoga, kayaking, and sharing her favorite classic movies with her kids. Shay is a graduate of Purdue University, and an active member of the Misericordia Women’s League.