Oklahoma University (Bachelor of Science, 1975. Juris Doctor, 1977). Phi Delta Phi Assistant District Attorney and Assistant United States. Attorney, Eastern District of Oklahoma, 1978-1983.
After graduating, Green began working as an Assistant for the United States District Court for the Eastern District of Oklahoma"s United States. Attorney" General’ s Office out of Muskogee, Oklahoma. Green left the office in 1983 to practice law privately in Muskogee. Since 1991, Mark Green has been a sole practitioner handling a wide array of civil and criminal cases.
On Wednesday, July 14, 2010, a news release from the White House Press Office stated that President Barack Obama nominated Green to be the new United States Attorney to succeed Sheldon J. Sperling.
His nomination was confirmed by the United States Senate on September 29, 2010. He was sworn in on October 14, 2010.
While practicing law privately, Green served as a member of the Muskogee City Council, a member of the Cherokee Nation Environmental Protection Commission, a member of the Oklahoma Scenic Reviers Commission, a member of the board of directors of the City of Muskogee Housing Authority, a tribal prosecutor with the Bureau of Indian Affairs and most recently as a Judge for the Municipal Court of the City of Muskogee.