Riley Shepard (alternate I)

Riley Shepard was a human male who serves in Starfleet and holds the rank of Commander and the position of Executive Officer of the USS Enterprise-D under the Command of Captain Brianna Martin. (''Star Trek: The New Generations

Starfleet Academy
In that year, he helped to disable the global power grid in Lisbon, allowing Admiral Leyton to launch a coup attempt. It was after he talked to Shepard that Benjamin Sisko was able to expose Leyton's coup attempt. After Leyton found out the cadet had spoken to Sisko, and that he wanted to speak to him again, Shepard and the other members of Red Squad were sent on a training exercise.

USS Venture
In 2373, Red Squad were assigned to crew the USS Valiant (NCC-74210), on a training mission to travel around the Federation. Following the outbreak of the Dominion War, the Valiant found itself trapped behind enemy lines. When the commanding officers were killed, Cadet Tim Watters assumed command, and kept the ship behind enemy lines.

Shepard served as helmsman and was awarded a provisional rank of lieutenant by the overzealous Watters, who ordered the crew to continue missions in Dominion space.