Mike Groff, CEO of Toyota's captive finance unit, to retire Aug. 31 Mike Groff, CEO of Toyota's captive finance unit, to retire Aug. 31 August 7, 2018 dzadmin Comments 0 Comment After 35 years with the automaker, Mike Groff, Toyota Financial Services CEO, will retire Aug. 31. Toyota Financial executive Mark Templin will replace him starting Sept. 1.