His last assignment, from October 1989 to September 1993, was as the 12th chairman of the Joint Chiefs of Staff, the highest military position in the Department of Defense. Powell was a professional soldier for 35 years, during which time he held many command and staff positions and rose to the rank of four-star general. He also participated in ROTC at CCNY and received a commission as an Army second lieutenant upon graduation in June 1958. Powell was educated in the New York City public schools, graduating from the City College of New York (CCNY), where he earned a bachelor's degree in geology. His parents, Luther and Maud Powell, immigrated to the United States from Jamaica. Powell was born in New York City in 1937 and was raised in the South Bronx. Powell served as the 16th United States National Security Advisor from 1987 to 1989 and as the 12th Chairman of the Joint Chiefs of Staff from 1989 to 1993. Prior to the election of Barack Obama as president in 2008, Powell and his successor, Condoleezza Rice, were the highest-ranking African Americans in the history of the federal executive branch (by virtue of the Secretary of State standing fourth in the presidential line of succession). Powell was the first African-American Secretary of State. Colin Luther Powell ( / ˈ k oʊ l ɪ n/ born April 5, 1937) is an American politician, diplomat and retired four-star general who served as the 65th United States Secretary of State from 2001 to 2005.