Jassie Gift was born into a Christian family. He has a Master's degree in Philosophy from the University College of Kerala, Trivandrum and is currently doing his PhD in Philosophy. He had lessons in western piano from a young age and started singing and playing the keyboard for a few local bands. He is a singer and keyboard player of the band Moby Dick. He admired Ilayaraja and he is a great fan of Freddie Mercury. He entered the film music industry under the guidance of director Jayaraj. Before entering films he composed songs for a couple of music albums in Malayalam. The main hit album is Soona Soona. Before entering into movies he composed jingles. He pioneered the use of reggae fusion music in the Malayalam music industry with the backing roots of Indian ragas. His medley of western and Indian music came to be very popular among listeners which created a new genre of Malayalam film dance music. He became popular in Kerala with his song "Lajjavathiye" in the movie 4 the people. His music contributed heavily to the success of 4 the People, which became 2004's biggest blockbuster in Malayalam. It was later remade in Tamil, and also as Malliswarive in Telugu. He also composed a music album, Rain, Rain Come again, that is a mixture of Indian and western music. On 12 September 2012, Jassie married Athulya Jayakumar, who is an information technology researcher at Kannur University.