David
Krackhardt is Professor of Organizations at the Heinz School of Public Policy
and Management and the Graduate School of Industrial Administration, Carnegie
Mellon University. He previously held faculty positions at Cornell's Graduate
School of Management, the University of Chicago's Graduate School of Business,
INSEAD (France) and the Harvard Business School. He received a BS degree from
the Massachusetts Institute of Technology and a PhD from the University of
California, Irvine, and as such was probably influenced by the work of Lin
Freeman, Martin Everett and Steve Borgatti. His published works span the fields of
psychology, sociology, anthropology and management.
He
focuses on how theoretical insights and methodological innovations from network
analysis can deepen our understanding of how organizations function. He coined
the concept of "cognitive social structures", i.e. when individuals
provide their perceptions of the entire network in which they are embedded. He
empirically has related these cognitive social structures to turnover,
reputations and power in organizations.
Current
research interests includes developing models to understand how innovations are
diffused, experimenting with new ways to visualize networks, identifying
effective leverage points for organizational change, and exploring the roles of
Simmelian (super-strong) ties in organizations.
Krackhardt
developed the cleverly named KrackPlot, a program for network
visualization that allows network analysts to upload graphs from UCINET or
Mathematica and produce output in GIFs or other visual formats. Each node can
be assigned a number of attributes, denoted by color and shape, and you can
click to add new nodes. KrackPlot will assign colors and shapes automatically
based on the attributes, or you can designate them.
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