The biography on both Kevin's website and the Reincarnation Research site is very thorough, so please see those sites for more information about Kevin's background. 

Kevin's website: kryerson.com

Kevin's work with Dr. Semkiw: reincarnationresearch.com

1993 Interview with Jeffrey Mishlove: New Thinking Allowed

Scene from the movie "Out on a Limb": YouTube

Over the last 14 years Sara and I have consulted with Kevin regarding research for this series of books, and have attended a number of his remote workshops. We first met Kevin in person at the East West Bookstore in 2011, as detailed in the Appendix, which was much later in his career. Watching early video clips of him, such as those listed above, show the earnestness that he approaches his work with.