Enters his junior season ... Attended Southern Oregon University in 2011-12 before transferring to Willamette ... Placed 23rd at the West Region Championships in 2013 to earn All-West Region honors ... Second Team All-Northwest Conference twice after placing eighth at the NWC Championships in 2012 and taking 12th place in 2013 ... Helped Willamette win the NWC men's team title in 2012 and 2013 ... Previously competed at Hood River Valley High School in Oregon ... Is the brother of former Willamette runner Leo Castillo ... Majoring in Latin American Studies and Spanish ... Parents are Salome and Lucila Castillo.