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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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Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 13-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 15-20 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).