Jack Callahan, Founder of John T. Callahan & Sons, Passes Away at 90
John “Jack” Callahan Jr., founder of John T. Callahan & Sons, passed away on March 29, 2020 from Alzheimer’s disease. Callahan was 90.
Jack and Marie Callahan established John T. Callahan & Sons in 1954 and eventually all five sons—John, Michael, Stephen, Timothy and Patrick—came into the family business after college. The Randolph, MA-based full service construction management company was founded on the principle that honesty, service and care for customers would lead to success.
Over the next 25 years the company grew steadily, servicing notable clients including Sears, Dunkin Donuts, Burger King and Howard Johnson’s. Today that legacy lives on in the three successful family business entities: Callahan Construction Managers, Global Property Development Corp, and JTC III Development Corp.
“Dad had a larger than life personality,” recalled Michael Callahan. “He was always the biggest guy in the room. He had a knack for bringing out the best in people.”
Pictured: Jack Callahan (seated, center) with his five sons.
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