Gregory Hartley's expertise as an interrogator first earned him honors with the United States Army. More recently, it has drawn organizations such as the Defense Intelligence Agency, Navy SEALS, Federal law enforcement agencies, and national TV to seek his insights about "how to" as well as "why." He resides near Atlanta, Georgia.
Maryann Karinch is one of the few women to have completed the inaugural Eco-Challenge in southern Utah. She is an experienced skydiver, a certified scuba diver and personal trainer, and an avid ocean whitewater kayaker. The coauthor of "Boot Camp, " she lives in Half Moon Bay, California.