Saru

Saru is a fictional character in the Star Trek franchise, portrayed by Doug Jones throughout five seasons of the television series Star Trek: Discovery. A Kelpien, Saru is both the first member of a pre-warp civilization and of his people to serve in Starfleet. He evolves from a fearful, reluctant officer to a bold, principled leader after surviving a rite of passage unique to his species. Saru later serves as captain of the United Federation of Planets starship USS Discovery.

Occupation

executive officer, chief scientific officer