Sebastian Sierra joined the Lynchburg tennis staff as a graduate assistant in 2026 after a four-year playing career for the men's team. In 2023, Sierra claimed Second Team All-ODAC honors in doubles with teammate Dan Hardy, as the pair posted an unblemished 5-0 record throughout the season.
Before arriving in Lynchburg, the Bogota native was a three-time UTR event champion and 15-time trophy winner in Colombian national competition.