17. Cartesian Consulting www.cartesianconsulting.com Sandeep Mittal (BE - Pune Univ, IIM-Cal): The Business Head of Cartesian, Sandeep has 7 years of varied experience spanning CRM, analytics, loyalty program management, direct marketing and website development. With past stints as an entrepreneur heading a technology startup and a music portal, Sandeep spearheads the Cartesian practice. Sandeep can be reached at [email_address]