Retired Chief of Police Dan Montgomery is a 58-year police veteran who today is the owner and chief executive officer of Professional Police & Public Safety Consulting, LLC located in Arvada, Colorado. His law enforcement career spans 58 years over five different police departments in San Jose, California, Los Gatos, California, Lakewood, Colorado, Westminster, Colorado and Lochbuie, Colorado. Chief Montgomery retired as the Chief of Police in Westminster, Colorado in 2007 after serving with distinction in that position for 25 years.

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Montgomery began his consulting business in 1985 working on a part-time basis while he was the Westminster Chief of Police. On his retirement from active law enforcement in 2007, he formally established his business, Professional Police & Public Safety Consulting, LLC. His business is founded on the principle of SPIRIT (Service, Pride, Integrity, Responsibility, Innovation, and Teamwork), the same values that underscored his very successful 58-year career in law enforcement.

Montgomery is a police, security, and public safety practices expert who has been qualified as an expert witness in the United States District Courts in Denver, Colorado, Albuquerque, New Mexico, Las Cruces, New Mexico and Austin, Texas, as well as several state and county courts in Denver, Colorado, La Plata County Colorado, Lake County, Colorado, El Paso County, Colorado, Mesa County, Colorado, St. Louis County , Minnesota, Chaska, Minnesota, Chicago City, Minnesota, Ottowa, Kansas, Phoenix, Arizona, Atascosa County, Texas, Santa Fe County, New Mexico, Larimer County, Colorado, and Gunnison County, Colorado.

He has also qualified as an expert witness in police personnel administration before the State of Colorado Personnel Board and several municipal personnel boards. Chief Montgomery also has performed several management audits for police departments in Colorado and New Mexico, and has also conducted several internal affairs investigations for police departments needing an independent and objective investigation.

In 2016, Dan became a Certified Litigation Specialist (CLS), specializing in Police litigation.

Dan Montgomery continues to serve as a valuable resource to the Denver-area news media on subjects of police and security practices.

Expert Consultant &
Court Qualified Witness
Specializing In:
  • Police Practices, Policies & Procedures
  • Police Training, Tactics & Use of Force
  • Police Personnel Management & Administration
  • Police Personnel & Internal Affairs Investigations
  • Police Organizational Audits
  • Security & Public Safety Practices
  • Premises Liability
  • Dram Shop Liability