Brannon Braga was a Starfleet officer who lived during the mid-24th century. His planet of origin was Sherman's Planet. He was a commander in 2368, a lieutenant commander in the years 2369-2372 and a commander in 2374.
In 2368, he was a crew member aboard the USS Enterprise-D. In the week of stardate 45852.1, on Monday, he had an appointment for an annual career counseling session with Counselor Deanna Troi at 10:30. This information was displayed on a personal appointment log in Troi's quarters. (TNG: "Imaginary Friend" okudagram) He had the same appointment later with Doctor Beverly Crusher. (TNG: "The Next Phase" okudagram)
The following year, he was one of seventeen individuals who were from worlds outside the Federation. His proteins were tested by Doctor Beverly Crusher for a possible configuration match with the fragments of a 4 billion-year old genetic program. The results came back negative. (TNG: "The Chase") (citation needed • edit)