Born in Jamaica, West Indies, Glenford Mitchell received a BA in Business Education from Shaw University, a Master's degree in journalism from Columbia University, and a Lit.D (hon.) from the National College of Education in Evanston, Illinois. The author of numerous articles and pamphlets, he co-authored and co-edited the book The Angry Black South (New York: Corinth Books, 1962). In 1962-63, he was assistant editorial director of Maryknoll Publications and executive secretary of the Maryknoll Book Club in New York. He later served as assistant editor of Africa Report magazine (1963-67) and as managing editor of World Order Magazine (1967-1982). Mr. Mitchell was an instructor in English and Journalism at Howard University (1966-1967). He is a member of the Society of Professional Journalists and was active in Rotary International in Wilmette, Illinois from 1968 to 1982.
In 1968 Mr. Mitchell was elected to the National Spiritual Assembly of the Bahá’í of the United States. That same year he became its Secretary (Chief Executive Officer), a post he held until his election to the Universal House of Justice, the international governing body of the Bahá’í Faith in 1982. He served in that institution until 2008.