Janet Szumal, Ph.D. is a senior research associate for Human Synergistics International (HSI) and is the co-author of Management/Impact®. Her research on the reliability and validity of HSI’s diagnostic tools has appeared in The Journal of Applied Behavioral Science, Psychological Reports, and The Handbook of Organizational Culture and Climate (Newbury Park, CA: Sage).

She received her Ph.D. in Human Resource Management from the University of Illinois at Chicago and currently co-facilitates Human Synergistics’ accreditation program for Management/Impact and Leadership/Impact in the United States and is working on research regarding the impact of leaders and managers in different countries.

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