CHICAGO--(BUSINESS WIRE)--Manish Tomar has joined Grant Thornton LLP as chief information officer, based in the firm’s Oakbrook Terrace, Ill., office. In this role, he will oversee Grant Thornton’s internal IT function and related programs. Tomar has nearly 20 years of business and IT leadership experience, with a focus on transformation initiatives. “Manish’s extensive experience and vast strategic, financial and operational knowledge will be valuable assets to our people and to the clients we