Barton Community College’s Board of Trustees voted Tuesday to extend President Carl Heilman’s contract for another year.Before board members voted on the extension, they met in executive session for 45 minutes to discuss the performance of an employee. When they returned to the open meeting, Board President Mike Johnson indicated the employee being discussed was Dr. Heilman.“We had a broad discussion about our president,” Johnson said. “The board is very pleased with the performance of our president.”Dr. Heilman is entering his 13th year as president of Barton.“It’s been, overall, a very good 13 years for the institution,” Johnson said.