Prabhakhant (Prabha) Sinha is Founder and Co-Chairman of ZS Associates. He was an Associate Professor of Marketing at the Kellogg School of Management until 1987. In 1983, Prabha and Kellogg colleague, Andris Zoltners, founded ZS Associates, a global leader in sales and marketing consulting, outsourcing, software and technology. Prabha has assisted over 250 firms in North America, Europe and Asia with issues related to sales force strategy and sales effectiveness. He continues to teach executives at the India School of Business and the Gordon Institute of Business Science. He has published over 30 academic articles and has co-authored a series of books on sales force management.