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Indiana University Bloomington

Center for Global Sales Leadership

Professor Rosann Spiro

Professor Rosann Spiro, former chairperson of the American Marketing Association, has co-authored one of the most cited sales management textbooks in teaching today, Management of the Sales Force. She is currently Executive Director of the Center.

Diana Dingman

Contact Information

(812) 855-2521
ddingman [at] indiana [dot] edu (E-mail)
Business School

Download Vita

  • Director of the Center for Global Sales Leadership


  • Bloomington


  • MBA, Webster University, 1999
  • BBA, University of Iowa, 1989

Professional Experience

  • Sunrise Greetings, 2007-2008, Director of Inside Sales and Customer Service
  • Hallmark Custom Marketing, 2004-2007, Sales & Service Manager
  • Hallmark, 2000-2003, Program Services Manager/Services Manager
  • Hallmark, 1996-2000, Associate Marketing Product Manager/Marketing Strategist
  • Hallmark, 1993-1996, Senior Retail Trainer

Professional Interests

Marketing, Retailing, Consultative Sales, Sales Management, Sales Ethics, Sales Talent Hiring Assessments, Interpersonal Communication Skills, Sales Negotiation, Sales Competitions.