Trevor Anthony Ariza was born in 1985 in Miami, Florida. His mother Lolita was the most influential person throughout Trevor's youth. Ariza's stepfather, Ken McClary, was a former basketball player at the University of Florida and went on to have an international professional basketball career, which included time with the Sydney Kings of Austrlia's NBL. Trevor draws inspiration from his younger brother, Tajh, who passed away in a tragic accident in 1996. Ariza attended Westchester High School in Los Angeles, California. He led the Comets to back-to-back CIF Division I State championships during the 2001-02 and 2002-03 seasons. After his championship senior season, Ariza was honored with the 2003 California Mr. Basketball award. As a professional, the athletic forward founded a non-profit organization called The Trevor Ariza Foundation, which was designed to support, educate and advocate for asthmatic athletes and children.