Captain Imahara was a female Federation Starfleet officer who lived in the 32nd century.
In 3190, she was serving as the commanding officer of the USS Armstrong when she responded to a distress call from a group of Starfleet Academy cadets stranded on Kokytos. (DIS: "All Is Possible")
Eric J. Robbins, who co-wrote the episode, named Captain Imahara as a tribute to Grant Imahara. [1]