Susan Rhodes is a research psychologist with a Ph.D. in cognition and perception from the University of Washington with a long-time interest in personality types, individual differences, psycho-spiritual systems, and transformational processes. She has been exploring the both the enneagram and Ken Wilber's work since 2000 and started writing articles addressed to an enneagram audience about the links between the two systems in 2005; in 2006, she became a reporter for the "Enneagram Monthly", the only periodical focusing on enneagram topics in continuous publication since 1995. She has also wri...