Sita Divari was born on 6 November 1964, He was the son of Manop Divari and Mom Rajawongse Jaruwan Vorawan who was the granddaughter of Prince Dulpakorn Worawan, son of Prince Narathip Praphanphong.

He completed primary and secondary education at Saint Dominic School, Upper Secondary from Triam Udom Suksa School and then Armed Forces Academies Preparatory School, Class 24 as the president of the class and a bachelor's degree in science from the Royal Thai Air Force Academy.

until receiving the last position before resigning from government service is the deputy head of the joint planning department, Policy and Planning Division, Department of Operations, Royal Thai Air Force.

Then resigned from government service to apply for elections as members of the House of Representatives.

Subsequently, in 2007, he was disqualified from politics for 5 years because he was a member of the executive committee of the Thai Rak Thai Party, which was dissolved in the 2006 political party dissolution case.