A system for recovering waste heat energy for a motor assisted turbocharger, including a turbine, a first power transmission device connected on a first side to the turbine, a drive gear disposed about and connected on a first side to a second side of the first power transmission device, a second power transmission device connected on a first side to a second side of the drive gear, and a compressor connected to a second side of the second power transmission device. The system further includes a motor gear drivingly connected to the drive gear, a motor generator connected to the motor gear, a waste heat recovery circuit including an expander, an output gear connected to the expander and drivingly connected to the motor gear.