Kalamandalam Krishnakumar was born in 1962. His father is Ambadath Achuthan Nair and mother is Manickath Gauri Amma.

He has a Diploma in Kathakali (6 years), two year special training in Kathakali with scholarship from Department of Culture, Govt. of India and two year training in Bharathanatya from Kalakshethra, Adayar, Madras. Has practised Kathakali under Kalamandalam Raman Kutty Nair, Kalamandalam Padmanabhan Nair, Kalamandalam Gopi and Vazhenkada Vijayan. He is a professional Kathakali artist since 1984. He is a senior instructor in kathakali , Kerala Kalamandalam and working as kathakali vesham instructor at Kerala Kalamandalam since 1990.

His major roles include King Nala, Arjuna, Krishna, Bhima, the Sathwik characters and villainous charactors like Ravana, Duryodhana, Narakasura and Keechaka.

Has received Kummini Award (Best performing student award) from Kerala Kalamandalam Kochaniyan Award (Young artist in Kathakali ) from Kathakali club Tripunithura, Ernakulam, Has performed Kathakali all around Kerala and in USA, Canada, UK, USSR, Mauritius, Mexico, Panama, Peru, Iran, France, Italy, Thailand and Taiwan. Also participated in many national and international dance theatre festivals.

Family: Wife Smitha son Harikrishnan and daughter Srilakshmi.