Pinarayi Vijayan is an Indian politician who is the current Chief Minister of Kerala, serving since 25 May 2016. A member of the Politburo of the Communist Party of India (Marxist), he is the longest-serving secretary of the Kerala State Committee of the CPI(M) (1998–2015). He also served in the government of Kerala as Minister of Electric Power and Co-operatives from 1996 to 1998. Vijayan won a seat in the May 2016 Kerala Legislative Assembly election as the CPI(M) candidate for Dharmadom constituency and was selected as the leader of the Left Democratic Front (LDF) and became the 12th Chief Minister of Kerala. He is the first chief minister from Kerala to be re-elected after completing a full term in office. In 2022, he also became the longest-continuous serving chief minister of Kerala surpassing C. Achutha Menon who had been the first to remain in office for 2364 consecutive days.

The Politburo or Polit Bureau is the highest body of the Communist Party of India (Marxist). The members of the Politburo are elected by the Central Committee in the immediate aftermath of a National Party Congress, which is held every three years.