Jennifer Bowerman and Gordon Collins are the authors of this complete article from CPD Journal which is also available online:
 
Abstract
Examines a Coaching Network as a twenty-week learning program based on just in time learning principles that builds individual development and at the same time contributes to organizational learning and business success. The coaching philosophy and framework for coaching conversations to occur are described, as well as the process for implementing such a Network. Finally, ongoing challenges related to structure, ownership, and the need for more precise measurement of results are identified.