Glenn worked first as a bus operator from 1969-1973 and then returned from 1975 to September of 2012. In Glenn's 41 years of service he has worked at four bus garages throughout the metro area. Glenn's driving skills earned him 35 years of safe driving awards and 35 years outstanding operator awards. His skills and dedication also earned him the first pitch in 2009 representing Metro Transit at a St. Paul Saints game. Glenn's two uncles, father, and son Justin have also operated Metro Transit vehicles - providing nearly a century of service to transit customers with the Vierling name.