Andris A. Zoltners is a professor emeritus of marketing at Northwestern University s Kellogg School of Management and a cofounder of ZS Associates. He has personally consulted for more than 200 companies in over 20 countries. He has spoken at numerous conferences and has taught sales force topics to thousands of Executive, MBA and PhD students. He is co-author of numerous academic articles and a series of books on sales force management. He received his PhD from Carnegie-Mellon University. Prabhakant Sinha is a co-founder of ZS Associates and a former Kellogg faculty member, who continues to t...