Since receiving his Bachelor of Science in Construction Science from the University of Oklahoma in 1983, David Lange has led in virtually all areas of residential and light commercial construction management and has been associated with a number of the nation’s leading builders and developers. The focus of his career has been in design and construction of upscale residences and destination properties, including single-family and condominium developments and the amenity facilities such as restaurants, fitness clubs, and swimming facilities associated with resorts. Most recently, Mr. Lange was Vice President for Construction with Grand Homes, the largest privately owned homebuilder in Dallas. There, he initiated and led programs that significantly increased overall quality of construction while committing the firm to a course of innovation in building upscale residences to stringent standards of environmental friendliness and energy efficiency. Mr. Lange is skilled in all areas of operations management in the industry, and has been a recognized leader for much of his career.