Joel Zlotnick is employed by the U.S. Department of State, Bureau of Consular Affairs, Counterfeit Deterrence Laboratory as a supervisory physical scientist. His current work involves research in security artwork and design techniques for maximizing counterfeit deterrence and facilitating counterfeit detection. He is an instructor on security documents and counterfeit detection at the U.S. Foreign Service Institute, and develops training courses on counterfeit detection topics such as security feature authentication, fraud techniques and printing process identification. In a previous position at the U.S. Homeland Security Investigations Forensic Laboratory (HSI-FL), Mr. Zlotnick performed forensic examinations in the areas of questioned documents, ink comparison, counterfeit link analysis and audio/video enhancement, and authored many counterfeit deterrence evaluations. He was also previously employed by the U.S. Secret Service, where his duties included counterfeit document examination and link analysis, adversarial analysis and counterfeit detection training. Mr. Zlotnick holds a B.S. in chemistry and M.S.F.S. in forensic science.