He was the younger brother of Princess Vibhavadi Rangsit, Queen Sirikit's lady-in-waiting and well-known royalty author, who was shot down in a helicopter by insurgents while visiting soldiers.

[citation needed] He graduated from Debsirin School and continued his education at Dulwich College in England where he played rugby, tennis, and squash.

Running many races a day, young Prince Bhisadej finally won the Victor Ludorum gold medal (Latin for 'winner of the games') at the annual Thai students in the UK meeting.

As president of the organisation, Bhisadej gave advice to them about growing instead cash crops such as strawberries, peaches, plums, as well as vegetables and fruits.

He also served as president of the Thai-United Nations Hill-Tribe Economic Development Project and of the Highland Agricultural Research Committee.

Prince Bhisadej was respected by Thais for his dedication and long contributions to King Bhumibol Adulyadej's Royal Projects.