Branchburg, New Jersey [RenewableEnergyAccess.com] DT Solar, a Turner Renewable Energy Company, has named solar industry veteran Marc Roper as executive vice president of sales and marketing, effective April 2, 2007. Roper will spearhead the DT Solar’s expansion into the California distributed solar market. Roper brings more than 15 years of solar industry experience. “DT Solar will play a leading role in bringing carbon-free solar energy options to corporate clientele and help drive our country toward a cleaner and more secure energy future,” he said. Before his most recent appointment, Roper was vice president of sales and marketing for photovoltaic manufacturer SCHOTT Solar, Inc., where he served as a member of the board of directors and was responsible for sales and marketing activities in North and South America. He holds bachelors and master’s degrees in engineering from the University of Colorado, Boulder.