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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

William "Bill" W. McKelvey UCLA, USA

Bill McKelvey received his Ph.D. from MIT in 1967 and is currently Professor of Strategic Organizing and Complexity Science at the UCLA. His book, Organizational Systematics (1982) remains the definitive treatment of organizational evolution and taxonomy. In 1997 he became Director of the Center for Rescuing Strategy and Organization Science (SOS). He was a founder of UCLA’s Center for Human Complex Systems & Computational Social Science. Recently McKelvey co-edited Variations in Organization Science (1999) and a special issue of the journal, Emergence. Forthcoming book is: Complexity Dynamics in Organizations: Applications of Order-Creation Science (Cambridge University Press).