Staff and Adjunct Faculty


Gregory Smith, M.A.
Vice President, The Center for American and International Law
Director, Institute for Law Enforcement Administration

As Vice President for Law Enforcement Education and Director of the Institute for Law Enforcement Administration (ILEA), Mr. Smith is responsible for the overall management, operations and curriculum development. He provides general oversight of the Schools of Leadership, Center for Law Enforcement Ethics and the Law Enforcement Technical Assistance Program. He assures program quality and organizational/educational stability through development and implementation of standards and controls, systems and procedures, and regular evaluation.

The ILEA is one of the nation’s premier learning centers for law enforcement executives, managers and supervisors. For more than fifty years, the Institute has worked to prepare course participants for today’s challenging management and ethical issues. Its programs and services focus on adapting successful private-sector models to set a standard of excellence for law enforcement.

Prior to his appoint as Director, Gregory served the ILEA for more than 17 years. He promoted to the rank of Associate Director and was the administrator of School of Executive Leadership, the Schools of Police Supervision and Diversity Education Programs. He is also responsible for developing and conducting in-service police training programs for multiple agencies throughout the United States and Canada.

From 1990-1999, Mr. Smith served as a Texas Peace Officer with the Baylor University-Medical Police Department in Dallas, Texas. He served in Patrol and managed the Crime Prevention and Community Services Section. He was instrumental in establishing numerous programs designed to reduce crime, prevent workplace violence and mediate workplace and community disputes for the Baylor Health Care System.

Gregory served more than 21 years with the United States Army and the United States Army Reserve. His military career began with his enlistment into the Indiana National Guard in 1981, where he served as a Cavalry Scout and Military Police Officer. During his career he progressed in ranks from Private to Major, and has held numerous positions in the Infantry Corps at Company, Battalion, Brigade and Theater levels.

In the area of professional development, Mr. Smith has coauthored a book on diversity communication, Navigating Diversity: An Advocates Guide Through the Maze of Race, Gender, Religion and More. He is also a Qualified Administer of the Myers-Briggs Type Indicator (M.B.T.I.), and a National Training Associate with the Insight Learning Foundation.

In his hometown, Mr. Smith has served on the City of Arlington=s Youth and Families Board; the Arlington Independent School District=s Financial Review Committee; and is currently an active football coach, basketball referee and Central Branch Advisory Board Member with the YMCA. Mr. Smith is a graduate of the 53rd School of Police Supervision of the Southwestern Law Enforcement Institute and the Leadership in Police Organizations Course, sponsored by the International Association of Chiefs of Police.

Gregory holds a Bachelor of Science degree in Sociology from Ball State University in Muncie, Indiana, with Minors in Multi-Cultural Education and Military Science. He also holds a Master of Arts degree in Sociology, (specializing in Social Psychology) from the University of Texas at Arlington.

Gregory is married to Tammera who is a public school teacher. They have four children: daughter Natjar and sons= Adam, Stanton, and Stayton. They reside in Arlington.

A. Jay Six, Jr., B.S
Executive-in-Residence, Institute for Law Enforcement Administration

Chief Deputy (Ret) A. Jay Six, Jr. began his law enforcement career with the University of Texas at Arlington Police Department in 1976. He joined the Arlington Police Department in 1978, and retired in 2003 at the rank of Lieutenant. Chief Six then joined the Tarrant County Sheriff’s Office as the Chief Deputy of the Patrol Division. He retired from active law enforcement in December 2016 with 40 years of service. Chief Six holds a Bachelor of Science Degree in Criminal Justice from UT Arlington, and is a graduate of ILEA’s School of Police Supervision and the Management College (now School of Executive Leadership). He is also a graduate of the Bill Blackwood Law Enforcement Management Institute of Texas’ Leadership Command College. Chief Six has been affiliated with ILEA since 1994 as an adjunct faculty member, and has served twice as President of the ILEA Alumni Association. In September 2018 he joined ILEA as an Executive in Residence. Chief Six has extensive experience in ethics and leadership training, and has represented ILEA across the United States and in Canada.

Mark Stallo, PhD
Scholar-in-Residence, Institute for Law Enforcement Administration

Dr. Stallo joined the Institute for Law Enforcement Administration September 1, 2020 as Scholar-in-Residence. He also currently serves as a Lecturer, Criminal Justice with the University of North Texas at Dallas.

Mark was hired by the Dallas Police Department in October 1979. He was assigned to patrol, recruiting, crime analysis, financial crimes, homeland security, planning and the Caruth Police Institute CPI. He retired from DPD as a lieutenant in January 2017 and was assigned for his last four years as the department liaison with the Caruth Police Institute. He taught leadership and worked on basic research issues. Mark earned a master’s degree in management and administrative science, master and a Ph.D. degree in Public Affairs from the University of Texas at Dallas.

Mark earned a master’s degree in management and administrative science, master and a Ph.D. degree in Public Affairs from the University of Texas at Dallas.

Richard N. Holden, PhD
Professor Emeritus, Institute for Law Enforcement Administration

Dr. Richard N. Holden serves as Professor Emeritus with the Institute for Law Enforcement Administration after retiring as Scholar-in-Residence. Dr. Holden oversaw the School of Police Supervision and the Center for Law Enforcement Ethics. The Ethics Center is one of the earliest forums developed specifically to focus a critical dialogue on ethical issues in policing.

Dr. Holden was a Professor of Criminal Justice at the University of North Texas at Dallas, a position he began in September 2010. In addition, from 2011 to 2015 he was Associate Director of Education and Training for the Caruth Police Institute (CPI), housed within the Dallas, Texas Police Department and from to 2013 to 2015 he was Interim Director of CPI. Prior to coming to Texas, Dr. Holden was Director of the State and Local Anti-Terrorism Training Program (SLATT) a federally funded program, from December, 2004 to August, 2010.

In 2004, Dr. Holden retired from the Criminal Justice Department at Central Missouri State University. Prior to his retirement, he held the position of professor and chair of the Criminal Justice Department since 1980. He has studied violent political movements since the early 1980s. Besides terrorism, Holden’s primary interest is criminal justice management and law enforcement. He has written two editions of a police management book and an introduction to law enforcement textbook. In addition, he wrote numerous articles for professional journals and regularly presented research papers at scholarly conferences.

Holden holds a doctor of philosophy degree in criminal justice from Sam Houston State University, a Master of Science degree in human relations and management, and a Bachelor of Science degree in criminal justice from Abilene Christian University.

Tracy Harris
Chief of Staff and Operations, Institute for Law Enforcement Administration

Ms. Tracy Harris is responsible for coordinating and supervising all activities related to program negotiation/contracting, logistical support and administrative functions necessary for the delivery of educational programs. She also serves as ILEA’s Adjunct Faculty Coordinator and Alumni Liaison.

Jasmine Hunt
Program Manager, Institute for Law Enforcement Administration

Jasmine Hunt began working for The Institute for Law and Technology in September of 2013. She is a 2011 graduate from the University of Texas at Dallas with a Bachelor’s of Science in International Political Economy. That same year, she interned at the Embassy of Australia in Washington, D.C. working to increase science and technology relations between the U.S. and Australia while also volunteering with the Arthur Ashe Children’s Program. In 2013, Jasmine received her Master of Arts in Conflict Management and Dispute Resolution from Southern Methodist University and became Texas State Certified in Mediation and Domestic Relations. Jasmine is currently a member of the National Association of Asian American Professionals and volunteers for the Youth Conflict Resolution Center in Dallas. In her free time, Jasmine likes to stay active by practicing Bikram yoga and meditation.

Adjunct Faculty

  • Michael Alexander, B.A., The Lion Institute; Chief (former), Corinth Police Dept., TX
  • Roy E. Alston, Ph.D., Vice President Security, CHRISTUS Health, Lieutenant (Ret.), Dallas Police Dept., TX
  • Gregory Anderson, M.S., On-Target Solutions Group; Chief (Ret.), Oak Forest Police Dept., IL
  • Patricia L. Bates, B.A., Diversity Consultant, Dallas, TX
  • Theron L. Bowman, Ph.D., Deputy City Manager (Ret.), City of Arlington, TX
  • Paul Boyles, M.A., Lieutenant, Lexington Police Dept., KY
  • Frank Bradford, M.A., Sergeant, Richardson Police Dept., TX
  • Scott Brewer, B.A., Assistant Chief, Prosper Police Dept., TX
  • James L. Capra, M.Ed., CEO and Founder, Front Line Leadership Group, Argyle, TX
  • Matt Clem, M.A., Captain (Ret.), North Richland Hills Police Dept., TX
  • Galia Cohen, Ph.D., Director of the Division of Public Administration and Assistant Professor, School of Criminology, Criminal Justice and Strategic Studies, Tarleton State University, Fort Worth, TX
  • Nick Daugherty, B.A., President, Serve & Protect Financial Texas, Sergeant (Ret.), Grand Prairie Police Dept., TX
  • Alejandro (Alex) del Carmen, Ph.D., Professor and Director, Tarleton State University, Fort Worth, TX
  • Scott Donaldson, M.S., Director, Law Enforcement Academy, Collin College, McKinney, TX
  • Vernell Dooley, M.P.A., Chief, Glenn Heights Police Dept., TX
  • Joe H. Ellenburg, B.S., Assistant Chief, McKinney Police Dept., TX
  • Eric J. Fritsch, Ph.D., Chair, Department of Criminal Justice, University of North Texas, Denton, TX
  • Gerald W. Garner, M.S., Chief, Corinth Police Dept., TX
  • Jeffrey Garner, M.S., Captain, North Richland Hills Police Dept., TX
  • David Golden, M.P.A., Senior Intelligence Officer, U.S. Department of Homeland Security, TSA, Dallas, TX
  • Andrew Harvey, M.S., Chief, Pharr Police Dept., TX
  • Brian Harvey, B.S., Chief, Allen Police Dept., TX
  • Lauretta Hill, M.S., Commissioner, Public Safety and Security, Dallas County Community College District Police Dept., TX
  • David N. James, B.S., Law Enforcement Leadership & Management Consulting, Chief (Ret.), Carrollton Police Dept., TX
  • Gregory K. Jones, B.S., Training Manager, Baylor Health Care System DPS, Dallas, TX
  • John Jones, Ph.D., Professor (Ret.), Law and Justice Centre, Sir Sanford Fleming College, Ontario, Canada
  • J. Eric Kowalczyk, B.S., The ENVIA Group, PIO (Ret.), Baltimore Police Dept., MD
  • Douglas Kowalski, M.S., Chief, Prosper Police Dept., TX
  • John Lawton, M.S., Chief, Dallas ISD Police Dept., TX
  • Nin Leung, B.A., Sergeant, York Police Service, Canada
  • Timothy J. Longo, Sr., J.D., Chief, University of Virginia Police Dept., VA
  • Tarrick McGuire, M.A., Lieutenant, Arlington Police Dept., TX
  • Thomas E. Meloni, Ph.D., Assistant Professor, Western Illinois University, IL
  • Michael J. Mirarchi, J.D., Attorney and Employment Law Consultant, Mirarchi Management Group, Plano, TX
  • Catherine J. Nanton, M.A., Professor, Fanshawe College, Ontario, Canada
  • Colin Nanton, M.A., Interactive Training Solutions; Chaplain, Woodstock Police Service, Ontario, Canada
  • Judy Pal, M.A., 10-8 Communications, Advisor to the Police Commissioner (Ret.), New York Police Dept.
  • Carl Pendleton, M.Ed., Lieutenant, Norman Police Dept., OK
  • Coby Pewitt, Ph.D., Assistant Chief, Richardson Police Dept., TX
  • Daniel T. Primozic, Ph.D., Dean of Instruction, University of New Mexico
  • Ruben A. Puente, M.A., Assistant Director, The University of Texas System Police, Austin, TX
  • John M. Ray, Ph.D., Division Director, Law Enforcement & Security Training, Texas A&M Engineering Extension Service (TEEX), TX
  • Brian G. Redburn, J.D., Assistant Chief, Irving Police Dept., TX
  • Patt Scheckel-Hollingsworth, B.A., Police Academy Manager, North Central Texas Council of Governments, Arlington, TX
  • Deena Siddiqi, B.A., Principal, Third Eye Cultural Insights
  • Jonathan Skertich M.S., Lieutenant, Frisco Police Dept., TX
  • Rick Smith, Ph.D., Senior Lecturer, University of Texas at Arlington, TX
  • Warren Spencer, J.D., Attorney, Euless, TX
  • Darren M. Stevens, M.B.A., Assistant Chief, Frisco Police Dept., TX
  • Mac Tristan, B.S., Chief (Ret.), Coppell Police Dept., TX
  • Joe C. Tooley, J.D., Attorney, Rockwall, TX
  • Leah Wilson, M.S., Sergeant, Southlake Police Dept., TX
  • Lacy Wolff, M.S., Health Promotion Administrator, Employees Retirement System of Texas, Austin, TX
  • John D. Wong, Ph.D., Freelance Public Sector Economics, Budgeting, and Financial Management Consultant, Wichita, KS
  • La’Evening Woodard, B.A., Director, Richardson ISD Security & Safety Dept., TX