Popularly known as TK, Kelani is responsible for classics like, "Thunderbolt", "Saworide", "Agogo Ewo" and others.

Kelani discovered the camera when he was in primary six. He got his first camera while he was still in Primary school. Though he didn't get to take any picture with it, he was just happy to possess one, and looked at it every morning

He started work as a Professional with the first Television Station in Africa, in 1970. Then took a break for two years to attend the  London Film School, where he did a Diploma course in the art and technique of filmmaking.

Kelani co-produced his first film with Adebayo Faleti titled "The Dilema of Rev. Father Michael."

In 1991, Tunde Kelani started his own production company, Mainframe Films and Television Productions.

A filmmaker with a soft spot for Literature, Some of his films like "Koseegbe", "Oleku", "Thunderbolt(Magun)", "The White Handkerchief", "The Narrow Path", "Maami"  andundefined  are literary adaptations.