The purpose of this dissertation was to identify and understand the key qualities and skills of effective team coaches. The results serve to educate and inform those aspiring to be organizational team coaches, those presently serving as team coaches, those developing curriculum to train team coaches, and those responsible for choosing and hiring team coaches for their organizations. Study participants were all experienced professional team coaches representing several states and a few different countries. The Delphi method was used, resulting in the emergence of consensus judgments of 15 qualities and 15 skills based on anonymous responses during multiple iterations. While the study does not claim to identify a set of characteristics that will ensure that a team coach will be effective in their professional practice, emphasis on those characteristics should enhance the professional development of aspiring and experienced team coaches alike. This dissertation is available in open-access at OhioLink ETD Center, www.ohiolink.edu/etd and AURA: Antioch University Repository and Archive, http://aura.antioch.edu/. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]