Col. John graduated from the National Defence Academy, Pune, and further went on to accomplish degrees in Logistics Management from XLRI and Financial Management from National Academy of Audit and Accounts, Simla. He has headed India operations for an MNC for 5 years before coming on board at GSL in 2012. His leadership experience spans over 30 years in various roles. Col. John has been a national level basketball player and has also been awarded the Prestigious Academy Blues at the NDA.