Leadership

Brian Potter

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

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

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

Erin Brooks

VP of HR & Marketing

Erin leads HR, internal and external communications and marketing. With 22 years of experience, she creates best in class employee experience across the employee life cycle.

Chris Evers

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

Mike Betts

Vice President

Mike Betts is a 25-year veteran of the industry who has spent the last 15 years with TG Gallagher leading project teams, predominantly for healthcare and biotech sectors.

Valerie Stone

Valerie Stone

Safety Director

Valerie’s has been in the Occupational Health & Safety field for 15 years. As Safety Director, she supports project teams with safety guidance and expertise developed from her years of experience.

Larry Haite

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

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.