Hetherington leads one of the nation’s largest Century 21 affiliates in Century 21 New Millennium, which has nearly 900 agents in 19 offices across Maryland, Virginia and Washington, D.C., who do over $3.5 billion in annual sales. Hetherington, who previously served in the military, launched his first brokerage in 1990 and with a series of acquisitions, he has helped guide the brokerage company’s growth into a family of companies.