Finished fifth in GTD season standings with a win at Sebring and a total of five podium results.
2015
Finished eighth in GTD standings with best results of second at Watkins Glen and Michelin Raceway Road Atlanta.
2016
Finished seventh in GTD standings with Lally, taking victories at Daytona and Lime Rock.
2018
Finished eighth in GTD standings alongside Lally in No. 44 Audi with a best result of second at Lime Rock.
2019
Finished fourth in GTD season standings with co-driver Andy Lally in No. 44 Magnus Racing Lamborghini. Earned best results of second at Sebring and third at WeatherTech Raceway Laguna Seca.