Successful executives connect with select people and get more out of them.
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​https://hbr.org/2011/07/managing-yourself-a-smarter-way-to-network

By Rob Cross and Robert J. Thomas

Rob Cross is the Edward A. Madden Professor of Global Leadership at Babson College and a coauthor of The Hidden Power of Social Networks (Harvard Business Review Press, 2004).

Robert J. Thomas is a managing director of Accenture Strategy. He is the author of eight books on leadership and organizational change, including Crucibles of Leadership, Geeks and Geezers (with Warren Bennis), and Driving Results through Social Networks (with Robert L. Cross).