TriMas Corporation announced the retirement of Robert (Bob) Zalupski as Treasurer. The company also announced that Jan van Dijk, TriMas’ Vice President Tax & Treasury, will now be appointed to TriMas Vice President & Treasurer. Mr. van Dijk has been with TriMas since 2018, and has led a number of high-impact assignments in his current role. He will continue to oversee TriMas’ corporate tax, cash management and planning, banking and treasury functions.