O'Connor Constructors has promoted Brandon Seaman to manager of the building division. Seaman has been with O'Connor for 25 years as a project manager and has spearheaded many O'Connor projects such as William X. Wall Experiment Station in Lawrence, Coal Gasification Pilot Plant in Somerset, Worcester Vocational High School, Senator Edward Brooke Courthouse in Boston, and the Brighton Landing office complex.
John Gannon joins O'Connor Constructors as a project manager. Gannon has 20 years Construction experience with career highlights including projects for the Dallas Cowboy Stadium, the Miami Performing Arts Center in Florida, Antelope Valley Courthouse in California, Island Coast High School in Cape Coral Fla., and the North Carolina Museum of Natural Sciences.