 BLOOMFIELD HILLS, Mich.--BUSINESS WIRE--TriMas NASDAQ: TRS today announced the retirement of Robert Bob Zalupski as Chief Financial Officer and Treasurer. In connection with this development, and as part of the Companys succession planning process, TriMas also announced the appointment of Scott Mell as Chief Financial Officer, effective May 1, 2021. He will report to Thomas Amato, TriMas President and Chief Executive Officer. Mr. Zalupski, who has served in finance leadership roles withi 