At the University of Jos, he studied Theatre Arts. Saint Obi came into the acting scene in 1996, after doing a commercial for Peugeot on NTA. He has starred in over 60 movies.[5] In 2001, Saint Obi produced his first movie titled Take Me to Maama, where he starred as Jerry, alongside Ebi Sam, Rachel Oniga, Nse Abel and Enebeli Elebuwa.