Jeff Culbertson — vice president, NRT Southwest Region, a subsidy of Realogy, which owns Coldwell Banker Residential Brokerage — has been ranked one of the most powerful people in residential real estate in the Swanpoel Power 200. The Swanpoel Power 200 is an annual list of the 200 most powerful people — CEOs, thought leaders and senior executives — in residential real estate in North America.