Agustin currently serves as CEO of the Latino Film Institute, where he oversees the Youth Cinema Project, the Los Angeles Latino International Film Festival (LALIFF), and LatinX in Animation. In 2018, LA Weekly named Agustin one of the fifty most essential people in Los Angeles. Also in 2018, the United Nations invited Agustin to speak at their 70th Anniversary Celebration of the Universal Declaration of Human Rights. In 2022, the LA Times declared Agustin a "Power Player" in their inaugural LA Vanguardia class.

Agustin is a Board Member of Mother Jones, the oldest nonprofit investigative newsroom in the United States, and of the National Film Preservation Board at the Library of Congress.

Agustin received his AA from Mt. San Antonio College, which awarded him Alumnus of the Year in 2015, and his BA and MA from UCLA's School of Theater, Film & Television.