Gupta was appointed dean of the Olin Business School at Washington University in St. Louis in July 2005. He has served on the Olin faculty since 1990 and in 2004 was named the Geraldine J. and Robert L. Virgil Professor of Accounting and Management. Students have given him the Reid Teaching Award eight times since 2001. He was chosen the Marcile and James Reid Professor for 1996-1997. Gupta's research has been published in leading academic journals in the United States and abroad. He has served on several editorial boards including The Accounting Review, The Journal of Management Accounting Research, Canadian Accounting Review, and Accounting Horizons.