Success circles, mastermind groups, board of directors, or success teams are all names for a group of friends or colleagues getting together to assist each other in reaching their goals.
The idea of success teams is not new, although they are enjoying a resurgence. In his 1960 best-selling book, Think and Grow Rich, Napoleon Hill defined a mastermind group as a coordination of knowledge and effort, in a spirit of harmony, between two or more people for the attainment of a definite purpose.