Dr. Leonard Haynes was appointed a distinguished adjunct professor for the Glenn College’s Washington Academic Internship Program in 2016. 

Haynes completed his B.A. from Southern University in Baton Rouge, Louisiana, in 1968, and earned an M.A. from Carnegie-Mellon University the following year. He then attended Ohio State University, where he earned a Ph.D. in higher education administration in 1975.

Haynes' career in education has taken him to a variety of institutions, having served on the faculty at Howard University, the Ohio State University, the University of Maryland, Southern University, the Brookings Institution and George Washington University. While on the faculty at Southern University, he was appointed to the position of executive vice president. He later served as the assistant superintendent of academic programs for Louisiana's State Department of Education and then as the senior assistant to the president of American University. 

During President George H.W. Bush's administration, Haynes was the first African American to be appointed to the position of U.S. assistant secretary of postsecondary education and director of academic programs for the United States Information Agency (USIA). 

In 1997, Haynes was appointed to serve as the acting president of Grambling State University. President George W. Bush appointed Haynes to serve as the special assistant to the secretary of education in 2001, and in 2003 he was appointed to serve as the director of the Fund for the Improvement of Postsecondary Education in the Department of Education's Office of Postsecondary Education. 

In 2007, Hanes became the executive director of the White House Initiative on Historically Black Colleges and Universities in the Office of the Secretary, U.S. Department of Education. And in 2010 he became the senior director of Institutional Services in the Office of Postsecondary Education, where he oversaw the administration of just over one billion dollars in discretionary grant programs.