Mateus joined the Cameron men's tennis coaching staff as a graduate assistant in the fall of 2020.
Prior to Cameron, Ceolin coached at Montana State University during the 2019-2020 academic year. While in Bozeman, Mont. he worked at the Bobcat Tennis Academy coaching junior players ranging from 6 years old to 15 years old. Ceolin coached at Riverside Country Club during the summer of 2018 and coached at Academia Loschi de Tenis (my uncle's tennis club in Brazil) during the summers of 2015, 2016, 2017 and during my high school years before starting college.
While at Montana State he helped head coach Trey Morris assemble the best recruiting class in the program's recent history.
Ceolin played four years of Division I tennis at Montana State, where he earned a B.S. in heatlh enhancement with a minor in coaching, playing most of his career at five and six singles and two and three doubles. Before playing college and during the summers of my college years, played some Future tennis tournaments and one Challenge tennis tournament in Campinas, Brazil.