Davidson leads Cairn Real Estate Holdings with a portfolio that includes the large brokerage and franchise operator JP and Associates Realtors (JPAR), which operates a fee-based brokerage model and has over 4,000 agents in more than 60 offices in 28 states. In 2023, JPAR expanded into California and launched an agent health benefit program. Davidson formerly led Century 21 Real Estate as CEO from 2010 to 2017.