He is born to K. T. Radhakrishnan and Dr P. K. Shanthakumari on 23 August 1969 at Thalassery, Kannur. He has a sister, Dr Kavitha Dinesh. He studied at Good Shepherd International School, Ooty and St Joseph's Higher Secondary School, Thalassery. He pursued bachelors in commerce from Madras University in 1991.
Vineeth married Priscilla Menon and lives in Chennai . They have a daughter named Avanthi Vineeth.