2023 – Chief Liam Duggan


Chief William (Liam) Duggan began his career in 1997.  Chief Duggan has worked in both suburban and large city jurisdictions serving in line-level and leadership roles for investigations, patrol, vice/narcotics, SWAT and training. 

Chief Duggan has a BS in Law Enforcement and is a graduate of the Northwestern School of Staff and Command.  Liam is one of only two police officers in the world, accepted to graduate studies in Human Factors and Safety Systems study through Lund University in Sweden.  He currently serves on the board of Advisors for the National Law Enforcement Firearms Instructors Association, is the Executive Director of Training and Development for the Special Operations Training Association, is on the national teaching faculty  for the DLG Use of Force Summit and has presented for the Force Science Institute’s International Conference.

Chief Duggan is a Sr. National Instructor for Calibre Press, LouKa Tactical and KFD Consulting and he specializes in human performance factors analysis, arrest and control response options, multiple firearms platforms and instructional design and leadership development. Additionally, he is a certified Advanced Specialist in the Behavioral Analysis of Force Encounters through the Force Science Institute and consults as an expert witness in use of force incidents and policing best practices at the Federal and State levels.

Liam brings extensive knowledge and experience, as well as his own unique perspective, to the Street Survival Seminar, Tactical Leadership, and Human Performance courses.