Harjo belongs to the Panther (Tiger) Clan and is a member of the Tusekia Harjo Band. He earned a bachelor of arts in economics from Harvard University and a master's of public and private management from the Yale School of Management.
He is married to the former Sheila Little. Together they have four children and five grandchildren
“My administration is proving that with the right leadership the Seminole Nation can grow.” Harjo said. “Another four years will provide the consistent leadership the Seminole Nation needs to rapidly expand its ability to meet the needs of our people.”
The Seminole Nation of Oklahoma is based in Wewoka.