22 Alex Job Racing WeatherTech Porsche 911 GT America in the United SportsCar Championship GTD class with co-driver Cooper MacNeil.

He captured two podiums in the three races that he entered with the Autometrics Motorsports Super Grand Sport SGS class Porsche.

80 Porsche 997 GT3 Cup car with David Murry for series defending champion Synergy Racing for the 2006 season.

Keen began a three-year stint driving the #85 Porsche GT3 GT3 with Farnbacher-Loles, sponsored by Shoes for Crews and Recaro.

The car led the GT class for the first 22.5 hours - however, they failed to finish the race due to engine failure.

He also drove in the Car & Driver One Lap of America competition, driving GSC's Modified Class Toyota Supra.

He won a season high four races: New Jersey, Mid Ohio, Daytona & Watkins Glen - including three in succession.

He also drove a Porsche for Alex Job Racing at the 12 Hours of Sebring in the American LeMans Series.

The 2011 Rolex Series GT champion with Andrew Davis for Brumos Racing was Keen's second championship in three years.

At Long Beach, California, Keen had a consistent podium battle - Lost the lead halfway through on pit stop and never regained the top position.

Keen and Cooper struggle with brake issues early at Mid-Ohio Sports Car Course and finish a respectable fourth.

Cooper and Keen ran in top three for duration of Virginia International Raceway (VIR) race, leading multiple times.

After the Canadian Tire Motorsports Park round of the 2016 IMSA WeatherTech Series schedule, Leh was released by Alex Job Racing, and replaced with Porsche Junior driver Sven Mueller.

[1] At the time of dismissal, Keen sat 8th in driver standings, tied with co-driver Cooper MacNeil.