In 2010, Imperatori finished his season with a good performance in the Macau Grand Prix by coming 12th after starting 26th on the grid due to a brake failure in the qualification race.

Besides, the Porsche Carrera Cup Asia and Formula Nippon, Imperatori was also competing in the GT300 class of Super GT in 2011 with the Lexus IS350 GT300 of SG Changi Racing.

In 2013, Imperatori was named as the lead driver for the new endurance racing project from Hong Kong-based KC Motorgroup Ltd (KCMG) which saw him drive a Morgan LMP2 - Nissan at Silverstone and Le Mans.

[1] Imperatori was back with KCMG for the 2014 WEC season[2] taking part in all but two races behind the wheel of an Oreca 03R-Nissan, winning LMP2 class at Bahrain and São Paulo.

On 25 March 2015 it was announced that Imperatori had signed with the Swiss Rebellion Racing LMP1 squad for the 2015 WEC season where he piloted the team's second car along with Dominik Kraihamer and Daniel Abt.