john preston

GRANT THORNTON LLP is the sixth-largest U.S. accounting and management consulting firm, with more than 2,800 partners and staff in 48 U.S. locations. MENDY KWESTEL is a partner and the Director of Entrepreneurial Services for Grant Thornton’s New York area offices. MICHAEL S. PRESTON was Management Consulting Partner in the New York office of Grant Thornton LLP. He is currently a professor at Columbia University’s Graduate School of Business. GARY A. PLASTER is a partner of Management Consulting for Grant Thornton LLP and is the National Practice Leader for the Grant Thornton Strategic Consultancy.