Hetherington leads one of the nation’s largest Century 21 affiliates in Century 21 New Millennium, which has nearly 900 agents across Maryland, Virginia and Washington, D.C. and who do over $3 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.