Won second consecutive IMSA Michelin Endurance Cup GTD title. Finished third in GTD season championship with a victory at Canadian Tire Motorsport Park and third-place runs at WeatherTech Raceway Laguna Seca and Sebring.
2017
Won IMSA Michelin Endurance Cup title and finished second in GTD season standings in first year with new Mercedes-AMG GT3 entry. Won at Sebring and Circuit of The Americas and claimed five podium results.
2016
Runner-up in GTD point standings after scoring three victories (Detroit, Road America, Road Atlanta), an additional podium, and one pole
2015
Fifth in 2015 GTD points, two wins (Road America and COTA) with co-driver Ben Keating.
2014
Won two races (Canadian Tire Motorsport Park and COTA) with co-driver Ben Keating in 2014.
2013
Won 2013 ALMS GTC championship with Cooper MacNeil for Alex Job Racing.