T. Poulakakis was a Starfleet officer in the 23rd century.
Poulakakis was named as one of the yard engineers at the San Francisco Yards who were listed on the dedication plaque of the USS Enterprise. (DIS: "Such Sweet Sorrow", dedication plaque)
This character was only mentioned in writing.
This officer was named after series cinematographer Tico Poulakakis.