Edward James Olmos is an Emmy-winning, Golden Globe-winning and Academy Award-nominated Mexican-American actor. He is best known for his television roles of Admiral William Adama on the Sci Fi Channel television program “Battlestar Galactica”, Lt. Martin Castillo in “Miami Vice”, and Jaime Escalante in the film “Stand and Deliver”.
Olmos has often become involved in social issues, especially those affecting the Hispanic-American community in the United States. In 1998, Olmos founded Latino Public Broadcasting and currently serves as its Chairman. The Latino Public Broadcasting funds programming for public television which focuses on issues affecting Hispanic-Americans and advocates for diverse perspectives in public television. Olmos makes frequent appearances at juvenile halls and detention centers to speak to teenagers at risk. He has also been an international ambassador for UNICEF.
Source: Wikipedia
http://en.wikipedia.org/wiki/Edward_James_Olmos