He will report to Shailendra Bhandari, managing director and chief executive, and will be incharge of wholesale banking, including financial markets business, and also steer the business strategy across the bank.
The appointment is effective April 1.
Sareen joined ING Vysya Bank in July 2007 as country head of retail banking and played a key role in its transformation from a South-based bank to a strong retail franchise with a national footprint.
In December 2012, he was deputed to ING Di-Ba in Germany as its chief strategy officer. The move was in-line with ING Vysya Bank's specific focus on servicing large Indian corporates and multinational companies.