Aaron Brehoveis a fraud investigator for one of the Big Four accounting firms—his investigations having included multibillion dollar ponzi schemes, tax evasions, and whistlerblower allegations. He initially became interested in body language after an unfortunate accident that left him temporarily paralzyed landed him in the hospital for over ten months. It was during this time with limited mobility--and after a scary near-death experience during which Aaron was unable to communicate his pain with his doctors, friends, and family--that Aaron decided that he would never again be without a way to communicate, verbally or nonverbally, with the outside world. Thus, his love of the… study of body language began. Today, Aaron is a senior instructor at the Body Language Institute in Alexandria, Virginia. He has extensive training in interview/interrogation techniques, and in detecting deception through interpersonal communication and written statements.He is a certified fraud investigator. Aaron has also been featured on the Today Show with his mentor, Janine Driver. He lives in Washington, D.C. Visit him at AaronBrehove.com.Roger Papernocurrently resides in Seattle, Washington. His photography is simply gorgeous and fluid making him a perfect photographer for Body Language. Roger has shot for Apple Computer, Chronicle Books, Chlorox, Crystal Cruises, Norwegian Cruise line, Royal Cruise Line, The Gap, Saturn Cars, Toyota and many other curise line and advertising firms. His energy and creativity will bring a lot to the Knack format. Roger has shot the covers for three Chronicle books: Fun Things To Do with Kids in Northern California; Southern California, and Napa County Bike Rides.