Delbert Hosemann was born in 1947 in Vicksburg, Mississippi. He was reared in Warren County and went on to study at Notre Dame, receive his law degree from Ole Miss and study taxation at NYU. He is a successful business attorney and partner at Phelps Dunbar LLP.

Delbert has received many professional accolades. In 2006, he received the George L. Phillips Community Service Award from the US Department of Justice in appreciation for his unfailing and distinguished service as Project Safe Neighborhoods steering committee chairman and for leadership in the districts Anti Gang Initiative and Hurricane Katrina First Responder Assistance Project. In 1992, he was the recipient of J. Tate Thigpen Award for outstanding leadership, support and commitment to the American Red Cross. He was also named one of the Best Lawyers in America by his peers for 18 consecutive years, elected President of the Jackson Young Lawyers in 1977 and Secretary of the Hinds County Bar in 1980. He is a member of the Mississippi Bar Taxation Committee, the Hinds County Bar, and the American Bar Association.

He has also found success in real estate, where he currently holds several successful ventures including the Main Street Crossing Shopping Center in Madison, Primo's Restaurant in Jackson and the Geneva Gardens Subdivision in Madison County. He is also a member of the Home Builders Association of Mississippi, Delta Council, and National Federation of Independent Businesses.

An active Republican, Delbert ran for US Congress in 1998, served on the US Electoral College in 2000 and chaired the Capital Foundation of the Mississippi Republican Party. He also chaired the US Department of Justice’s Safe Neighborhood Project for the Southern District of Mississippi.
Delbert is also extremely active in the business community, holding various offices, serving on boards and committees for the American Red Cross, Mississippi Blood Services, Mississippi Law Enforcement and Firefighters Katrina Relief Fund, Jackson Medical Mall Foundation, Jackson State University Development Foundation, and First Commercial Bank.

He is an avid hunter and marathoner. He belongs to the National Rifle Association, Delta Wildlife Foundation, Ducks Unlimited, and the Mississippi Wildlife Federation. He completed the New York Marathon in 1983 and 1985 and the Boston Marathon in 1987.

Delbert has been married to Lynn L. Hosemann for 36 years. They are extremely proud of their three children: Kristen, Chad and Mark; and Granddaughters Grace and Nora Lynn.