A headshot image of William P. Green Sr.

William P. Green Sr.

Senior Consultant

Areas of Expertise

Law Enforcement Consulting


As a highly accomplished military veteran and law enforcement professional, William (Billy) has extensive experience in evaluating and implementing operational processes to optimize performance with a focus on executing investigations in line with policies and procedures. He brings a robust background in reporting systems, incident management, security measures/control, regulatory compliance, competency development, team member engagement, change management and organizational transformation. Billy served from 1999-2023 with the Fontana, California Police Department, culminating in a tenure as Chief of Police from 2018-2023.

Education / Certifications
  • MA, California State University Northridge
  • BA, Southern Illinois University
  • Past President, San Bernardino County Police Chiefs’ and Sheriff Association
  • Past President, Inland Valley SWAT Commanders