South Coast Improvement Company, a design-build general contractor serving New England and the Mid-Atlantic states, recently promoted Sean J. Whalen to senior vice president.

In his new role at South Coast Improvement, Whalen will take on additional responsibilities in building relationships and strategic alliances, channel development, expanding the company’s sales markets and overseeing the sales team.

Whalen began with South Coast Improvement in 2012. Prior to that, he worked for more than two decades in business development for large public and private corporations as well as start-ups.