Policing Fellows

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.

Lieutenant Kevin Townsend, MPA

Kevin Townsend is a Lieutenant with the Riverside (CA) Police Department. Riverside is 81 square miles and has a population of 324,000. Kevin’s prior assignments include patrol officer, field training officer, and parole/probation team. His detective assignments were in burglary, auto theft and gangs, during which Kevin wrote an 85-page gang ‘association’ warrant and participated in numerous undercover operations. He received a community award for being officer of the year in 2007 and was named detective of the year in 2009. He was a patrol sergeant, detective sergeant, and personnel sergeant. Kevin was a member of the police association’s board of directors for five years. As a Lieutenant, Kevin has worked as a patrol Watch Commander and Personnel Lieutenant. In May 2016, Kevin was named ‘Area Commander’ for one of the police department’s areas/districts; his area is about 17 square miles with an approximate population of 102,000. Kevin is tasked with managing community policing efforts, connecting with civic groups and government for crime prevention, and problem solving at the local level. He works to identify and address crime trends and neighborhood issues, develop partnerships, and align all available resources to reduce crime and increase livability in his assigned area. Kevin is a graduate of Supervisory Leadership Institute (SLI), has a Bachelor of Science in Criminal Justice, and a Master of Public Administration (MPA) degree.

Sergeant Rachel Tolber

Rachel Tolber has worked for the Redlands Police Department since 1998 and is currently a sergeant assigned to the Investigations Bureau. As the Investigations Sergeant, she oversees all criminal investigations as well as Crime Analysis, Forensics, and the Property and Evidence Unit. Over the last 18 years, she has worked patrol, served as a field-training officer, a special victim’s detective, and has worked as the Professional Standards Sergeant.

Sergeant Tolber has received civic recognitions and honors for her leadership, work, and service. She was instrumental in creating the Police and Corrections Team (PACT), and spearheaded the Citizen Volunteer Park Rangers for the City of Redlands. Tolber also served as an Executive Intern to the Redlands City Manager, where she helped lead policy and strategic initiatives adopted and implemented by city executives.

Sergeant Tolber received her Bachelor’s degree from the University of Redlands, California, in 1998. She received a Masters in Criminology, Law and Society from the University of California, Irvine in 2006. In 2011, she received a Masters in Applied Criminology and Police Management from the University of Cambridge, United Kingdom. During her course of study at the University of Cambridge, Sergeant Tolber examined the feasibility of conducting a randomized control trial to test restorative justice among the parole population in Redlands, California.

Sergeant Tolber has been a board member of the Home Again Project, Gang Reduction Intervention Team, and presently serves on the board of the San Bernardino Sexual Assault Services. She is also a founding member of the American Society of Evidence-Based Policing.

Deputy Bernard Brown

Deputy Bernard Brown has over 20 years of public service experience and is currently employed as a Deputy Sheriff with the El Dorado County Sheriff’s Office located in Northern California. He has held collateral assignments on the Crisis Intervention Team and Gang Unit, and he has also served on the Special Enforcement Detail, which assists in various operations for the department. His prior experience also includes time as a field training officer and bicycle patrol officer.

Deputy Brown has developed expertise in managing and writing grants for departments. He was previously responsible for assisting law enforcement agencies in Delaware with the State Homeland Security Grant Program, and most recently, he assisted his current agency in obtaining grant funds for the Crisis Intervention Team.

Deputy Brown holds a Master’s degree in Public Administration from Clemson University and a Bachelor’s of Science degree in Criminal Justice from Excelsior College. He completed his thesis project at Clemson University on the Total Policing Strategy.

Deputy Jose Villanueva, Ph.D.

Deputy Villanueva has been in law enforcement for over 20 years.  He is currently a Deputy with the Sacramento County Sheriff’s Department.  Deputy Villanueva has also worked for the West Sacramento and Fairfield Police Departments.  He has worked patrol for over 10 years and investigations for 9 years.

Deputy Villanueva has worked in the following special assignments: General Investigator, Yolo County DA Investigator, Gang Detective/Investigator, FBI Safe Streets Sacramento, US Marshal Task Force Sacramento, Career Criminal Intelligence Detective and on the Parole Impact Team in Solano County.  Deputy Villanueva was the lead Detective and Gang Expert for the first Norteno Gang Injunction in California.  Deputy Villanueva is a California Subject Matter Expert on the topic of Gangs, and he just recently received his Ph.D. in Philosophy of Business, with an emphasis in Criminal Justice, from Northcentral University.

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