Andre Simons is a Capital Partner at VanSlyke O'Neill Law, based in Washington D.C., where he specializes in workplace violence prevention and response with a specific focus on active assailant attacks and communicated threats. With a distinguished 23-year career in law enforcement and public service, Andre served as the Unit Chief of the FBI’s Behavioral Threat Assessment Center at the Behavioral Analysis Unit in Quantico, Virginia, before retiring in 2019.  

Andre has co-authored numerous works on targeted violence including A Study of the Pre-Attack Behaviors of Active Shooters in the U.S. (2018), The Assessment of Anonymous Threatening Communications (2021), and Publicly Humiliating Events: A Precursor to Workplace Violence? (2024). He is a Certified Threat Manager and the 2019 recipient of the Distinguished Achievement Award from the Association of Threat Assessment Professionals (ATAP).   

Following his career with the FBI, Andre worked as a Principal for Control Risks Group in Washington, DC, helping clients navigate crisis situations and develop workplace violence prevention programs.