Career
He is best known for his action-masala films. As of 2013, he has directed more than twenty five films. Personal He is the son of director Jambulingam who directed M. G. Ramachandran starrer Nam Naadu.
Initially, he worked as an assistant to director M. Bhaskar in Soolam (1980) and Pakkathu Veetu Roja (1982).
He then worked as assistant director under South. A. Chandrasekhar for 7 years from Sattam Oru Iruttarai until Needhikku Thandanai. At that time, he befriended with actor Vijayakanth who promised him to act in his films.
When producers proposed him to direct a film, he met Vijayakanth but the actor was in a busy schedule. Waiting for his availability, he worked as assistant director with V. Azhagappan in three films.
Senthilnathan finally made his directorial debut in 1988 with the Tamil film Poonthotta Kaavalkaaran.
The film turned out to be a blockbuster.