David H. Welden has been named interim president of Gwinnett Technical College, reports Gwinnett Daily Post. The school’s current president, Sharon Bartels, has announced she will retire May 1. Welden is executive vice president for finance and administration at the school. Since joining Gwinnett Tech in 2000, Welden has managed accounting and budgeting, facilities, human resources, information technology, and the college’s D.