9 employees recently join the company. 9:59 am, Feb. 2, 2021 × Wilhelm Chevrolet Buick GMC has announced the planned retirement of one employee and the hire of several new employees. Robbin Manley plans to retire in June. Manley has been employed with the company for 35 years, joining Don Wilhelm Inc. in 1983 out of college. She and her husband, Steve, have three children. Kathy Boe has joined Wilhelm Chevrolet Buick GMC in the position of comptroller position after 23 years in accounting for Central Sales Inc. Jim Morris recently joined the finance and lease team on a part-time b...