Policing Fellows

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

Lieutenant Chris G. Vallejo has served with the Austin Police Department for 24 years.  Chris holds a Bachelor of Applied Arts and Science from Midwestern State University with concentrations in constitutional law and political science and graduated Summa Cum Laude. Chris serves on the board of the American Society of Evidence-Based Policing and is a Police Foundation Policing Fellow, an advisor to the VERA Institute of Justice’s Compstat 360 project, Chair Person of APD’s Evidence-Based Policing Committee, a Police Advisor to Measure, an Austin-based community research and advocacy group, and an NIJ LEADS Scholar. Chris is currently the Executive Officer to the Chief of Police and assists with the day-to-day operations involving 1,908 officers and 700 civilian personnel.  He is excited about implementing evidence-based practices to better equip his agency to prevent crime, measure community sentiment and satisfaction, and organizational effectiveness. Chris’s other responsibilities include assisting the Chief with aligning the department’s community policing principles within the department’s Compstat and evidence-based practices.  Chris is an avid student of leadership, evidence-based policing, performance-management systems, and police officer health and well-being.  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. 

Officer Obed Magny, Ed.D.

Dr. Magny is a police officer at the Sacramento Police Department where he is currently assigned to the Professional Standards Unit. Some of the previous assignments where Dr. Magny has worked include Patrol, Narcotics, School Resource Officer, and the Crime Suppression Unit. Dr. Magny also served on the Board of Directors for the Sacramento Police Officer’s Association for three years.

Dr. Obed Magny earned his Bachelor’s Degree in Criminal Justice and Sociology from the University of Massachusetts at Boston, a Master’s Degree in Emergency Services Administration from the California State University at Long Beach, and a Doctorate Degree in Organizational Leadership from the University of La Verne.

Dr. Magny is an expert in the field of motivation, job satisfaction, diversity, and emotional intelligence. As a doctoral student, he developed an interest in researching ways to identify and increase skill sets to help police officers and others in various fields increase their professional potential in various areas of their careers. Dr. Magny’s dissertation research led him to embark on designing training to not only increase job satisfaction for police officers, but to also close the trust gap between police officers and members of the communities they serve.

Dr. Magny is an adjunct professor at Brandman University where he teaches Diversity and Intercultural Aspects of Leadership at the doctoral level.

Lieutenant Daniel Wagner

Daniel Wagner has served the City of Cambridge (MA) as a police officer since 1998 and currently holds the rank of Lieutenant. He is the Commanding Officer of the Crime Analysis Unit where he has implemented successful crime prevention strategies based on his keen interest in predictive analytics and data-driven, evidence-based approaches to reducing harm and improving policing outcomes. In his capacity as a neighborhood community policing lieutenant, Dan created partnerships to develop successful crime prevention and youth engagement programs. Wagner developed curriculum on discretionary police authority and police legitimacy, which he taught to thousands of Massachusetts police officers.

Wagner earned a Master in Public Administration from the John F. Kennedy School of Government at Harvard University. Dan is a policing fellow at the Police Foundation and a founding member and vice-president of the American Society of Evidence-Based Policing. Wagner has published several peer-reviewed papers and enjoys frequent opportunities to speak on topics including analytics, technology, management, police legitimacy, community policing, problem solving, and fair and impartial policing. He regularly advises various criminal justice organizations, including the Bureau of Justice Assistance, and he has engaged in national and international consulting services.

Sergeant Danny Miller

Sergeant Danny Miller has been employed with the San Francisco Police Department, located in Northern California, since 2000. Prior to being promoted in 2009, his experience consisted of district patrol, public housing unit and plain clothes assignments. He is currently assigned as a Patrol Supervisor at a downtown district station. He was previously assigned to investigations as a Sergeant, in which his cases included violent crimes, crimes against persons, property crimes and narcotics. The vast majority of his work experience in law enforcement to date has centered on patrol assignments and responsibilities.

Over the last nine years, Sergeant Miller has served as a defense representative for the Department’s Police Officers Association and later on the Association’s Board of Directors. In that capacity, he represents members in misconduct investigations, administrative investigations and hearings.

Sergeant Miller graduated from the University of San Francisco and holds a Bachelor’s degree in Public Administration.

Sergeant Jeremiah Johnson, Ph.D.

Jeremiah Johnson is a patrol sergeant serving with the Darien Police Department in Connecticut. During his 15 year law enforcement career, Jeremiah has worked as a patrol officer, field training officer, accreditation manager, patrol sergeant, detective sergeant, and acting lieutenant.

Jeremiah is concurrently employed in a part time capacity by the University of New Haven. He has taught courses at the undergraduate or graduate level in criminology, police administration, leadership, public administration, research methods, statistics, performance measurement, and ethics of justice administration.

Jeremiah is affiliated with the Police Foundation in Washington DC where he proudly serves as a Policing Fellow and the National Institute of Justice where he was honored as a LEADS Scholar (Class of 2016). He has served as an accreditation assessor for the State of Connecticut since 2011 and is an appointed member of CIRMA’s Law Enforcement Advisory Committee. Jeremiah was an invited observer at the November, 2012 HKS/NIJ Executive Session that met in Cambridge, MA and was an invited guest of the White House for a 21st Century Policing Briefing which was convened on June 30th, 2016.

Jeremiah holds a BA in Sociology from Geneva College, an MS in Justice Administration from Western Connecticut State University, an MA in Criminal Justice from John Jay College, and a PhD in Criminal Justice from the City University of New York Graduate Center. His dissertation research focused on the role of relational networks in diffusing law enforcement innovations.

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