"Andris A. Zoltners is a Professor of Marketing at the Kellogg School of Management at Northwestern University. He is a founder and co-chairman of ZS Associates, a global business consulting firm. For over 30 years, he has served the business community as a professor, consultant, speaker, and author on marketing and sales force performance. He lives in Evanston, Illinois.
Prabhakant Sinha is a founder and co-chairman of ZS Associates, where he has consulted with more than 200 firms in North America, Europe, and Asia. He also teaches executive education courses on sales force effectiveness