You are here: Home Twitter Barry Posner, PhD, professor of management at Santa Clara University and co-author of Credibility, The Leadership Chal http://t.co/s3Vz44lR

Barry Posner, PhD, professor of management at Santa Clara University and co-author of Credibility, The Leadership Chal http://t.co/s3Vz44lR

January 14, 2012

Barry Posner, PhD, professor of management at Santa Clara University and co-author of Credibility, The Leadership Chal http://t.co/s3Vz44lR

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