Mark has over 30 years of security and forensic experience and has testified in over 2000 cases. He is faculty for the Federal Judicial Center in Washington, D.C., the National Judicial College in Reno, Nevada, and the University of Minnesota. Mark is a professor in the cybersecurity program at the St. Thomas School of Law in Minneapolis, Minnesota. He has provided training in digital evidence, computer forensics and cyber security to the United States Supreme Court. He has also presented to the 8th and 11th Circuit Federal Judicial Conferences as well as numerous State and Federal Judicial Conferences across the United States. Mark is a member of the Minnesota Lawyers Professional Responsibility Board and serves on its Rules & Opinions Committee. Before entering the private sector, Mark was a member of the U.S. Secret Service Electronic Crimes Taskforce.