[1] He was the Director of the Center for Accounting and Information Technology at the Fox School of Business and Management, Temple University.
His early research focused on productivity,[4] economies of scale,[5] operational efficiency,[6] and data envelopment analysis.
His research on data envelopment analysis includes 15 articles co-authored with William W. Cooper from 1984 to 2011.
[7][8] In 1995, Banker co-authored a textbook called Management Accounting with Anthony Akinson, Robert S. Kaplan and Mark Young.
[10] From mid 2004 to early 2005, Banker served only a short term as Dean of the A. Gary Anderson Graduate School of Management (AGSM) at the University of California Riverside, during which he spent considerable time in India conducting research, and then later served as a "special assistant" in the chancellor's office after leaving his position as Dean.