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William E. Rosenbach, Ph.D.

Dr. William E. Rosenbach is Evans Professor of Eisenhower Leadership Studies and Professor of Management, Emeritus at Gettysburg College. He received his Ph.D. from the University of Colorado-Boulder in 1977 in Business Administration (Organizational Behavior). Dr. Rosenbach served as Chairperson of the Department of Management, Gettysburg College, from 1984 to 1991. He was Professor and Head for the Department of Behavioral Sciences and Leadership, U.S. Air Force Academy from 1982-84, and a member of the faculty there from 1972 to 1984. He was an Adjunct Professor at the Graduate School of the Universities of Colorado and Maryland. Dr. Rosenbach’s research focuses on leader and follower effectiveness, leadership development and the relationship of transformational leadership to organizational culture and change.


Dr. Ruediger Mueller

Dr. Mueller is a C-Level Executive with 20 years global experience in turn around management, mergers and acquisitions, and corporate strategy and growth. He has extensive experience in distribution and manufacturing, specializing in market development, cost reduction, product management, personnel management, and supply chain management. Dr. Mueller has served as CEO of a $ 300+ Million division of a large multinational corporation as well as smaller companies and has turned around as advisor or interim executive companies ranging in size from $ 10 Million in sales to $ 1 Billion and up in numerous industries from automotive to building materials. As academic he has done research on leadership and coauthored numerous publications on that subject, therefore combining practical and academic experience.


Marshall Sashkin, Ph.D.

Marshall Sashkin is professor emeritus of human resource development at the George Washington University. He teaches graduate courses in the area of management and organization development, leadership, consulting skills, and research design and methods. Marshall received his bachelor’s degree in psychology from the University of California, Los Angeles, and earned his Ph.D. in organizational psychology from the University of Michigan in 1970. Since then he has conducted research, taught at several universities, and consulted with numerous public and private sector organizations (including the American Red Cross, TRW, GE, and American Express). From 1979 to 1984 he was professor of industrial and organizational psychology at the University of Maryland. For nine years after that he served as senior associate in the Office of Educational Research and Improvement, the research application arm of the United States Department of Education. In that position he developed and guided applied research aimed at improving the organization and management of schools. Marshall has authored or co-authored more than 50 research reports and over a dozen books, including Leadership That Matters (with Molly Sashkin, Barrett-Koehler, San Francisco, 2003).



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