Ensign Maddy Calloway was a female Human medical technician who served aboard the USS Enterprise (NCC-1701-D). She was born on Meezan IV in 2343 to Colleen Calloway and Thomas Calloway. She had a sister, Danielle Calloway. (ST video game: Starship Creator) The year 2366 saw Calloway serve as a volunteer for six months with San Francisco Emergency Medical Services. The following year, she worked an emergency medicine rotation at San Francisco's Mercy Hospital. Calloway attended Starfleet Academy, graduating in 2367 in the 94th percentile. (ST video game: Starship Creator)