This document provides guidance on how to be an agent of change within a large organization. It discusses how catalysts can leverage new technologies like social networks and Web 2.0 to drive change against entrenched interests. It presents case studies of "ODDsters" at AT&T who used grassroots networks and published memos to promote new strategies. Finally, it outlines tactics like using meetings, aggregation, networking and publishing to apply "MANOPs" and drive evolutionary change within organizations.