(617) 661-7000 / 24-hour Service Company Leadership Leadership Brian Potter President / CEO Brian's career with TGG began in 1982 and is a client-focused and results-oriented executive who oversees the company’s strategic, marketing, financial and operational performance. Shawn Guertin COO Shawn, who started at TGG as an intern in 1995, is one of the driving forces behind the company’s operational excellence and sets the client satisfaction standards for the entire organization. Chris Foley CFO Chris rejoined TG Gallagher in 2018, with over 10-years of construction accounting experience. His strengths lie in building and leading teams with robust experience with change management. Erin Brooks VP of HR & Marketing Erin leads HR, internal and external communications and marketing. With more than 20 years of experience, she creates best in class employee experience across the employee life cycle. Chris Evers Vice President Chris’ leadership style is derived from his own field experience as a foreman service technician. He oversees multiple projects while also taking on responsibility for the performance of our service group. Mike Betts Vice President Mike Betts is a 26-year veteran of the industry who has spent the last 16 years with TG Gallagher leading project teams, predominantly for healthcare and biotech sectors. Valerie Stone Safety Director Valerie’s has been in the Occupational Health & Safety field for 16 years. As Safety Director, she supports project teams with safety guidance and expertise developed from her years of experience. Larry Haite Director, Pre-Construction With a 30-year career in the construction industry, Larry builds and maintains relationships with new and prospective clients and is a key part of our company's success. Michael Kaufman Chief Estimator Michael became Chief Estimator in 2014 and has helped grow TG Gallagher to one of the largest mechanical contractors in New England. He is client focused and oversees all aspects of the estimating process. Copyright © 2021 TG Gallagher. All Rights Reserved.

(617) 661-7000 / 24-hour Service Company History Prev Next Our History Founded in 1940, TG Gallagher takes pride in our longstanding relationships with our clients, many of which span several generations. As a result of our quality craftsmanship and dedication to customer service, we have worked with a wide range of institutional clients for multiple decades, including Harvard University, Liberty Mutual, Massachusetts General Hospital, Dana Farber Cancer Institute, Simmons College, and Wellesley College. We are honored to work alongside construction and design colleagues whose partnership we value greatly, on many prominent projects that continue to shape the region. With the transition to more collaborative design and construction − including integrated project delivery (IPD), design-build, design-assist, co-location, building information modeling (BIM), and other 3D and 4D design tools − our industry partners and clients rely on TG Gallagher’s culture of continual improvement, which has guided the way we work from the very beginning. Copyright © 2021 TG Gallagher. All Rights Reserved.