Bill Mack has joined Braintree construction management firm Integrated Builders Inc. as senior vice president of business development.

Mack previously worked at Integrated Builders from 1997 to 2001. In his new role, he will be responsible for enhancing customer relationship, new business development and customer service, according to a statement.

"We’re very pleased that Bill has returned to Integrated Builders," said Integrated President Jay Dacey. "We welcome Bill back. His addition to our team is going to be great for both us and our clients."

Prior to re-joining Integrated Builders, Mack worked as director of project development at A.J. Martini Inc., a privately-held construction firm where he focused on corporate, health care and institutional work. He has also served as director of business development at Boston-based Shawmut Design and Construction, and as project manager at Mass General Hospital.

"I’m excited to return to my former company, which is widely respected in the industry for its work and reliable personnel," said Mack. "I’m looking forward to working with the Integrated Builders team and our clients."