Cale Birk
@birklearns
TED Talker,Author of 'Words on the Wall', 'Navigating Leadership Drift', 'PLC 2.0'; Observable Impact Imagineer; Former Head of Innovation, Principal, Educator
ID: 203405087
http://www.birklearns.com 16-10-2010 05:32:09
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4,4K Followers
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