Thomas Isaac

T. M. Thomas Isaac (born 1952) is a central committee member of the Communist Party of India (Marxist), and represents Alappuzha constituency in the Kerala State Legislative Assembly. During his tenure as a member of the Kerala State Planning Board, he was in charge of the People's Plan campaign(PPC) in Kerala.People's Plan Campaign is considered as a landmark in the history of decentralisation experience not only in Kerala but all over India. He was the Finance Minister of Kerala during from 2006 through 2011.

The son of late T. P. Mathew and Saramma Mathew, Isaac obtained a PhD in Economics from Centre for Development Studies, which is academically affiliated to Jawaharlal Nehru University, New Delhi. While a student, he became involved with political life, he became involved with the Students Federation of India (SFI), an organisation which is politically linked with the Communist Party of India (Marxist). He has held posts in the SFI at college, district and state level.

Isaac had been a professor at the Centre for Development Studies, Thiruvananthapuram and has published a number of articles and books.