HS: Sebastian is a 2013 graduate of Gatesville HS in Gatesville, Texas, where he was a  four-year letter winner in soccer and a three-year letter winner in football. While playing for the Hornets, he helped lead both the football and soccer teams to the Texas state play-offs. From 2010-2013, he served as the Hornets soccer team captain. Also, he earned the honors of soccer and football All-District and All-Area, as well as 1st Texas All-State on the football in 2012. In addition to Hornet athletics, he was a D.A.R.E Role Model and a Student Council member. 

Personal:  Sebastian is a Biomedical Science major from Gatesville, Texas. He is the son of Enriqueia Cinseros and Sergio Perez. He is the proud brother of three siblings; an older sister and brother, and a younger brother.