Yeoman Teresa Ross was a female Human Starfleet enlisted crewmember in the 23rd century. She served in the operations division aboard the USS Enterprise in 2267 under the command of Captain James T. Kirk, during the historic five-year mission. That same year, Ross was among the crew Trelane transported to Gothos for his own amusement, and he took a particular interest in her. He even transformed her uniform into a floor-length gown and made her his dancing partner.