Long & Foster Companies (a HomeServices of America company)
2023 Rank: 32
Detwiler manages the Long & Foster Companies, the large Mid-Atlantic brokerage that HomeServices of America acquired in 2017 but still operates as a separate brand. The company operates in seven states with over 11,000 agents, 230 locations, 1,800 employees and $30 billion in annual sales. He serves on the MoxiWorks board of directors and is a graduate from Princeton University.