Steve O’Reilley

Safety Officer

As Safety Officer, Steve O’Reilly is responsible for implementing and overseeing safety protocols across all Callahan projects. This includes administration of health and safety programs, and compliance with OSHA, EPA, and DOT regulations. Steve also conducts on-site audits and training, and coordinates claim investigations.

Steve joined Callahan in 2005 and has over 30 years of experience in safety management in the construction industry. He attended Wentworth Institute of Technology and completed several programs at Northeastern University. Steve has also attended multiple OSHA trainings.


Steve O'Reilley

One of the best things about working at Callahan

Enthusiasm. As a mentor to the next generation of Callahan leadership, Steve is inspired by the excitement and technological expertise that he sees in the company’s younger employees.

Off hours

Steve can be found fly fishing all over New England, looking for the perfect (and elusive) trout.

In his own words

“I take safety seriously and appreciate that each of our employees sees it as a personal responsibility. I enjoy working with our project teams to make each day on site a safe one.”