Robert J. Calvin is President of Management Dimensions, Inc an international consulting firm specializing in start-ups and early growth companies. Clients range from the Fortune 500 to the Inc. 100 and includes old and new economy firms. He also is an adjunct professor of entrepreneurship and marketing at the University of Chicago Booth Graduate School of Business where he teaches M.B.A. courses in New Enterprise and Small Business Management and Executive Education courses in Sales Force Management. During the last 30 years, in addition to consulting, teaching and writing, Professor Calvin ha...