Ajay Kalsi was born in October 1960, educated at the Scindia School, and received a bachelor's degree in economics from the London School of Economics followed by a master's degree in economics from Cambridge University.
Kalsi founded Indus Gas, and is its CEO. He is the chairman of Focus Energy Limited. He has been a Director of Indus Gas since April 2008 and is a Director of Focus Energy Limited. Kalsi was a Director of Phoenix International Ltd from April to December 2006. He is a member of the World Economic Forum, where he has been designated a "Global Leader of Tomorrow".
As of March 2015, Kalsi's net worth is estimated to be $1.2 billion, according to Forbes.