David began his career in commercial real estate in 1982 working for local real estate developer Robert Callaway, where he handled office, retail and industrial leasing as well as land brokerage and property management. Later in his career, David served as the regional manager for KollRubloffCBRE and had direct responsibility over a large, diverse portfolio in San Antonio, Austin, Abilene and Midland. He also was a senior vice president at the Trammell Crow Company where he lead the brokerage and property management teams in the office and industrial arenas. Upon merging with CBRE, David was in charge of the San Antonio operation prior to departing to start Endura Advisory Group in 2007. He is highly regarded as a business leader as well as for his negotiating acumen. David has been responsible for closing over $450 million in a variety of real estate transactions and has consistently demonstrated an ability to promote, negotiate, troubleshoot and close significant transactions.