Policing Fellows

Sergeant Dave Mason

Dave Mason is a sergeant with the Las Vegas Metropolitan Police Department (LVMPD) and is currently assigned to the Technical Operations Section. Sergeant Mason supervises a shift within LVMPD’s Real-Time Crime Center and works as a project manager on a number of technology projects currently in place and being implemented within LVMPD.

Sergeant Mason’s past experience as a sergeant includes assignments in counter terrorism, field training and uniformed patrol. Prior to being promoted, Sergeant Mason was a detective in LVMPD’s counter terrorism section and vice section.

Sergeant Mason has been recognized as a subject matter expert on the topic of the sex trafficking/prostitution sub-culture and investigations in Las Vegas.

Sergeant Mason is spearheading an effort within LVMPD to assemble a group of individuals from law enforcement, academia, and private industry to collaborate together to provide innovative solutions to topics and issues of law enforcement interest. This process aims to bridge the gap between academia and actual law enforcement practices/policy.

This translational criminology approach hopes to incorporate the research-based findings of academia into real-world application into law enforcement policy and strategic operations.

Sergeant Mason has a Bachelor’s degree in Psychology from University of Nevada Las Vegas.

Officer James VanderMeer, Ph.D.

James wants to expand the role of behavioral science in policing. Because police work makes such potent and peculiar psychological demands of officers, behavioral science offers a uniquely promising tool kit for improving officer performance, and, when integrated into a broader scientific approach to research and innovation, organizational performance as well.

James comes from a diverse research background. He has fielded national public opinion surveys, staged focus groups, conducted laboratory experiments, consulted on defense projects, interviewed a serial killer, and even collected urine samples from arboreal monkeys using a modified butterfly net. He is committed to evidence-based approaches to solving problems, and he brings that commitment to the challenges he encounters as a police officer.

As a patrol officer with the Metropolitan Police Department in Washington, D.C., James faces issues familiar to many urban officers, but he is most passionate about his roles as a crisis intervention specialist for mental health consumers, a point of contact for community engagement, and in de-escalating violent encounters.

James holds a PhD in Psychology from the University of Chicago, where he used behavioral economic games to investigate the social and cognitive mechanisms of conflict escalation.

Deputy Jeffrey Payne

Deputy Jeffrey Payne has been a Deputy Sheriff with the Orange County Sheriff’s Office in Orlando, Florida for 4 years. Deputy Payne currently works in the Uniformed Patrol Division where he has amassed experience responding to calls for service ranging from the simple to the extraordinary. He often spends his free time during his shift applying intelligence led policing methods to proactive law enforcement. While still a relatively new member of the law enforcement profession, Deputy Payne was a sponsored academy candidate for the sheriff’s office and has further experience in the security and surveillance fields.

Deputy Payne is currently a PhD Candidate in the Security Studies program at the University of Central Florida where his research interests include community responses to mass casualty events, state and local indicators of non-state violence, and terrorist psychology and methodology. Deputy Payne holds a Master’s and Bachelor’s degrees in Criminal Justice from the University of Central Florida, where he also minored in Sociology and received a certificate in criminal profiling.

Lieutenant Allen Schubert

For the past twenty years, Lieutenant Allen Schubert has proudly served in the Los Angeles Police Department. Handpicked to run the night watch of the LAPD’s new Transit Services Division, he utilizes a groundbreaking deployment plan to effectively safeguard the 1.5 million daily commuters who traverse the city’s 95 miles of rail lines and 1,700 bus routes. In his former tours of duty, Allen was a Gang/Robbery Detective, an Internal Affairs Investigator, a Department-sponsored Officer Representative, a Field Sergeant, and an Academy Instructor.

Allen holds a Master of Intelligence Studies from American Public University, a Master of Forensic Science from National University, and a Bachelor of Science in Criminal Justice from Bowling Green State University. He is the highest-ranking Drug Recognition Expert (Instructor) in the Department and harbors a special interest in Counterterrorism matters (carried over from his days as an Intelligence Specialist in the United States Navy). His strategic vision focuses on greater collaboration between Department Command Staff and city caretakers, increasing workplace wellness, and embracing innovative technologies to combat/deter crime.

Lieutenant Kevin Huddle

Lieutenant Kevin Huddle is a 19-year veteran with the Santa Barbara County Sheriff’s Office in Southern California. He has held assignments in Patrol, Field Training, Mobile Field Force, SWAT, Background Investigation, Administrative Investigative Team, Motor Unit, and as a supervisor in the Detective Bureau’s Major Crimes Unit. While assigned to the Detective Bureau, he supervised and investigated a variety of crimes such as robbery, burglary, sex crimes, officer involved shootings and homicide. He was assigned as the primary supervisor for the Isla Vista Mass Murder that occurred on May 23, 2014, where six University of California, Santa Barbara students were brutally killed and another fourteen people were wounded either by gun fire or by being run over by the suspect’s vehicle. As a result of this mass murder investigation, Kevin is part of a three-person team that travels around the country presenting a comprehensive case debrief on this massacre.

Kevin’s current assignment is working for the Office of the Sheriff as a direct report to the Sheriff and Undersheriff as the Sheriff’s Adjutant. In this position, he oversees the Coroner’s Bureau, Special Projects, PIO and coordinates the county’s mental health Stepping Up Initiative. The Stepping Up Initiative is a composition of the governing bodies with a collaborative approach to carry out a six step planning process to reduce the number of adults with mental illness from cycling through the county jails.

Since 2008, Kevin has been a part-time faculty member at Allan Hancock Community College where he is an instructor for the Advanced Officer Training courses. He is a certified academy scenario rater and teaches at the Allan Hancock Police Academy.

He earned a Bachelor of Science degree in Criminal Justice from the California State University at Long Beach. He graduated from the Supervisory Leadership Institute (SLI) and attended PERF’s Senior Management Institute for Police (SMIP) Session 67 in Boston.

Sergeant Roy Davis

Sergeant Roy Davis of the New Haven Police Department is a third-generation law enforcement officer who currently serves as supervisor of the department’s shooting task force.  Since joining NHPD in 2007, Sgt. Davis has worked in patrol with a focus on walking beats and street interdiction. He has served as a supervisor in the department’s patrol division as district manager for East Shore, the largest district in the City and district manager for the downtown, which includes Yale University.  While acting as supervisor for the downtown district, Sgt. Davis developed the department’s “Green Thumb” initiative, which was designed to proactively engage business owners, reduce public loitering, and creatively motivate the homeless population to become more active within the community.  Sgt. Davis also served as a member of the department’s tactical narcotics unit, internal affairs division, and accident reconstruction team.  Additionally, Sgt. Davis led the department’s underwater search and rescue unit.

Sgt. Davis holds a B.S. in Juvenile Justice and a M.S. in Criminal Justice from the University of New Haven.  Sgt. Davis’ interests include evidence-based policing, community policing and collaboration, and officer wellness.


Lieutenant Chris Vallejo

Chris G. Vallejo has served in the Austin Police Department for 24 years and is currently a Police Lieutenant. Chris holds a Bachelor of Applied Arts and Science from Midwestern State University. Chris graduated with Summa Cum Laude honors and concentrations in constitutional law and political science. Chris is a board member of the American Society of Evidence-Based Policing and is the newly designated Texas Regional Chair.

Chris currently serves as the Executive Lieutenant to the Chief of Police and assists with the day-to-day operations of an agency that consists of 1900 sworn personnel and 700 civilians. However, Chris’ passion is for leading the men and women on patrol. Having spent 17 of his 24 years in a patrol function, he is excited about implementing evidence-based practices to better equip Austin employees (command staff, civilian staff, and officers) to prevent crime and operate more effectively and efficiently. The Austin Police Department is in a transitional period, implementing a new and more formalized community policing program that encompasses all aspects of the department’s operations. Chris’ responsibility as the Executive Lieutenant includes assisting the Chief with aligning the department’s new community policing model with the department’s Compstat and evidence-based practices. Chris is an avid student of leadership, mentoring, and evidence-based policing. During his off-duty time, he enjoys reading, fitness, tactical shooting and training.

Sergeant Matthew Faulk

Sergeant Faulk’s career at the Tucson Police Department began in 1998. Early in his career, he became a General Instructor and a Field Training Officer. As an officer, he was assigned to the department’s first Advanced Officer Training Unit and as the Administrative Officer in Internal Affairs. His assignments also included Lead Police Officer in Operations Division Midtown, the Operations Division Downtown Walking Unit, and Academy Class Counselor.

Sergeant Faulk was a Patrol Sergeant in the Tucson Police Department’s Midtown Division, East Division, and a Patrol and Field Training Sergeant in the Downtown Division, and currently assigned to Tucson Police Department’s new Audit and Best Practices Section. Sergeant Faulk has been a Mobile Field Force Sergeant, Research and Analysis Sergeant, and he was assigned to work in the Office of the Chief of Police. He oversees several programs, including the Police Open Data Initiative, TPD Loves Business, and Tucson Police Department’s involvement as one of 15 model agencies nationwide in Advancing 21st Century Policing.

In November 2016, Sergeant Faulk planned and organized Tucson Police Department’s inaugural Open Data Sharing Event. In July 2016, he had the opportunity to speak at the White House about the Police Open Data Initiative at the 21st Century Policing Task Force Briefing. In April 2017, he presented at the IACP’s Midyear Meeting, speaking about Tucson Police Department’s Advancing 21st Century Initiative work.

Sergeant Faulk has instructed various topics, including Fair and Impartial Policing, Tactical Driving, Unknown Risk Stop, High-Risk Stop, Pursuit Intervention Technique, Report Writing, Crimes in Progress, Tactical Building Searches, and General Instructor School. Sergeant Faulk has a Bachelor’s degree in Interdisciplinary Studies -Public Administration from Northern Arizona University and is pursuing a Master’s Degree in Organizational Leadership from Grand Canyon University. He also holds a certificate in Foundational Leadership from University of Arizona’s Eller Executive Education Foundations of Public Sector Leadership Program.

Sergeant Andrew Graham

Sergeant Andrew Graham has been employed with the Tuttle Police Department, in central Oklahoma, since 2006. He is currently assigned as a Patrol Sergeant and Shift Commander of the overnight shift. Sergeant Graham is also responsible for managing accreditation standards for the agency and ensures that all department policies comply with accreditation standards established by the Oklahoma Association of Chiefs of Police. Sergeant Graham also ensures that all officers in the department receive ongoing training in department standards and policies. Sergeant Graham also manages all grant funding and related budgets for local highway safety programs.

Sergeant Graham serves as the President of the local lodge of the Fraternal Order of Police. Sergeant Graham leads contract negotiations between the City and the Officers Union and represents Officers in administrative hearings when necessary.

Sergeant Graham graduated from the University of Oklahoma with a Bachelor’s degree in Criminal Justice. He also has earned an Advanced Peace Officer Certification from the State of Oklahoma.

Lieutenant Jason Potts

Jason Potts is a Lieutenant with the Vallejo Police Department where he has been employed for 17 years. He is currently assigned to the Patrol Division and is a Reserve Military Special Agent with the Coast Guard Investigative Service (CGIS). In addition, he is a LEADS Scholar with the National Institute of Justice (NIJ). 

Jason has served in a variety of assignments, including Patrol, Major Case Section, Crime Suppression Unit, Narcotics, DEA Task Force – Oakland, FBI Safe Streets Solano County Violent Gang Task Force Officer, SWAT, FTO Supervisor, FTO, Internal Affairs, and Bike Patrol Sergeant. Jason has routinely been called on as a subject matter expert in drug and gang enforcement.

He has a Bachelor of Arts in Management from Saint Mary’s College, and a Master of Advanced Studies degree in Criminology, Law, and Society from the University of California, Irvine. For the capstone project at UC Irvine, he researched the impact of police video recordings on policing strategies. His further research interests include evidence-based policing, procedural justice – both internally and externally, police data, cognitive interviewing for victims of trauma, and body cameras/license plate readers and the effect they have on policing. He is currently an associate member of the International Association of Chiefs of Police, member of California Narcotics Officers Association, California Tactical Officers Association, and California Peace Officers Association. Jason is a founding member of the American Society of Evidence-Based Policing (ASEBP). He attended SMIP class #68. 

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