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Florence Yu,
Acting Inspector General

Florence Yu, Assistant Inspector General

Florence Yu is currently serving as the Acting Inspector General.  Normally, she serves as the Assistant Inspector General over the OIG’s Complaint Section.  The OIG’s Complaint Section oversees the Los Angeles Police Department’s investigation and adjudication of internal affairs investigations, and other areas relevant to police discipline.


Prior to joining the OIG, Ms. Yu was the recipient of an Equal Justice Works AmeriCorps fellowship.  In her former roles as a direct services attorney, Ms. Yu’s practice areas involved housing issues, immigration, and public benefits.


Ms. Yu holds a Bachelor of Arts Degree from the University of Southern California and a Juris Doctor from the University of California – Hastings College of the Law.

Django Sibley holds an undergraduate degree from the University of Liverpool and a graduate degree from the University of Southern California.  In his undergraduate and graduate studies, Mr. Sibley conducted extensive research regarding police-community relations and crime control.  Mr. Sibley began his professional career as a police officer in Hull, England, and later worked for the Los Angeles-based Police Assessment Resource Center.  Upon joining the Office of the Inspector General in 2004, Mr. Sibley served as a Special Investigator assigned to the Use of Force Section, which oversees the Los Angeles Police Department’s investigation and adjudication of categorical use of force incidents.  Mr. Sibley assumed the position of Assistant Inspector General in 2007 and currently heads the Use of Force Section.  Mr. Sibley regularly represents the OIG by presenting at national conferences.  He also provides training to other law enforcement and law enforcement-oversight professionals, and has been published in professional law enforcement publications.

Django Sibley,

Assistant Inspector General


Brian Buchner,
Assistant Inspector General

Brian Buchner is an Assistant Inspector General with the Los Angeles Police Commission’s Office of the Inspector General (OIG) where he leads the office’s Audit Section. Brian has held several roles within the OIG, including as a Police Special Investigator in the Use of Force, Complaints, and the former Special Investigations and Compliance sections. 


Prior to rejoining the OIG as an Assistant Inspector General, Brian served as the City Homelessness Coordinator for the City of Los Angeles where he oversaw more than $1 billion in funding and led the implementation of the city’s major homelessness initiatives. He has directed city-wide policing and homelessness policy for the Mayor of Los Angeles. Brian is also an expert in police oversight and policy, having worked for several oversight agencies, including the OIG, and advised local, state, national, and international government entities regarding police accountability. He has been invited to testify before numerous task forces and blue-ribbon commissions, including President Barack Obama’s Task Force on 21st Century Policing. Brian has helped to establish civilian oversight agencies across the U.S. and has published numerous articles and reports on police accountability, including an assessment of policing across the University of California system. He also co-led and co-authored the nation’s most comprehensive national survey of police oversight agencies.


Brian teaches graduate-level criminal justice courses at the University of Southern California and previously taught at the undergraduate level at California State University, Los Angeles, including developing and teaching the nation’s first undergraduate course focused specifically on the oversight of policing. Brian serves on the board of Ride On, a nonprofit organization that provides equine-related therapeutic services for children and adults with disabilities. He previously served as a senior fellow with the NYU School of Law’s Policing Project, a senior fellow with the UCLA Luskin School of Public Affairs, and as an advisor to the American Law Institute’s Policing Project. He is a past president of the National Association for Civilian Oversight of Law Enforcement (NACOLE), the nation’s largest civilian oversight organization, and he served as a commissioner on the Santa Monica Social Services Commission.


Brian earned a BS in criminal justice from Bowling Green State University and an MA in criminology and criminal justice from the University of Missouri-St. Louis. He also earned a certificate from the USC Safe Communities Institute’s Public Safety Leadership program.

Brian Buchner picture

Assistant Inspector General

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