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Thomas J. Walters
Director, Federal Law Enforcement Training Centers


Thomas Jeremiah Walters, Director of the Federal Law Enforcement Training Centers, leads the consortium of Federal law enforcement organizations that prepare America's federal law enforcement professionals to perform their duties across the Nation and around the globe.

The Centers support the training needs for more than 100 Federal law enforcement clients. This includes providing 100 percent of the training systems, training infrastructure, training programs, training products, training expertise and training services required to train 70,000 Federal, state, local, tribal and international law enforcement students each year.

Director Walters' 45-year career in Federal law enforcement includes service as a U.S. Border Patrol agent, Border Patrol instructor, supervisory Patrol agent, Assistant Chief, Deputy Chief, and Chief Patrol agent. He successfully completed the first U.S. Border Patrol Tactical Unit (BORTAC) training session and served for over a decade as a BORTAC team member, team supervisor, unit manager, and unit leader during the unit's domestic and foreign operations. In 2004, the Commissioner of U.S. Customs and Border Protection selected Director Walters as the first SES Assistant Commissioner for CBP's Office of Training and Development. As a member of CBP's national leadership team, Director Walters also served as the Deputy Assistant Commissioner and acting Assistant Commissioner for CBP's Office of Public Affairs.

Director Walters retired from CBP in 2014 to operate his own border security consulting business before being selected by the Secretary of Homeland Security in October of 2017 as the Centers' sixth Director.

Mr. Walters is a graduate of the State University of New York at Buffalo and holds a master's degree in national security strategy from the National Defense University, National War College.


 Kai J. Munshi
Deputy Director, Law Enforcement Training Centers


 Assistant Director Munshi

Kai J. Munshi, Deputy Director of the Federal Law Enforcement Centers (FLETC), oversees training for 119 federal Participating Organizations, as well as state, local, tribal, territorial, and international law enforcement partners. He directs operations across FLETC’s four training delivery points in Glynco, GA; Charleston, SC; Cheltenham, MD; and Artesia, NM, and leads FLETC’s administrative, security, financial, mission support, and resource management programs. 

Deputy Director Munshi previously served as the Assistant Director for FLETC’s Technical Training Operations Directorate, managing six law enforcement training divisions. Deputy Director Munshi joined FLETC in May 2017 as the Chief Security Officer, where he oversaw all security, emergency management, administrative inspections, and internal affairs investigative operations throughout the FLETC enterprise.

Deputy Director Munshi began his law enforcement career in August 2002 as a U.S. Secret Service (USSS) Special Agent in the Denver Field Office where he conducted criminal investigations related to counterfeit currency, bank fraud, and other financial crimes. Upon selection to the USSS Special Operations Division Counter Assault Team, he led countless protective missions for the President of the United States and other dignitaries domestically and abroad. 

Deputy Director Munshi served over six years as a Senior Special Agent with the Securities and Exchange Commission Office of Inspector General (OIG) and Department of Justice (DOJ) OIG in Washington, D.C. During this period, he led numerous multi-agency administrative and criminal investigations related to public corruption, employee misconduct, and financial fraud. He received the DOJ OIG's Distinguished Service Award in both 2012 and 2014. 

Deputy Director Munshi is a veteran of the U.S. Marine Corps, where he served honorably in the enlisted and officer ranks. As an infantry officer, he commanded units with the 3rd Marine Division, Marine Corps Combat Development Command, and the 4th Light Armored Reconnaissance Battalion. He also directed security and humanitarian operations in Guantanamo Bay, Cuba. 

Deputy Director Munshi holds a Bachelor of Arts degree in International Studies from the State University of New York College at Brockport and is a graduate of the Partnership for Public Service Excellence in Government Fellowship program. 


Jennifer E. Tocco
Chief of Staff


Jennifer Tocco began her civil service career at the Federal Law Enforcement Training Centers (FLETC) in 2008. Prior to her appointment as Chief of Staff, she served as the Senior Policy and Project Analyst for the Director's Office. She held other positions in the FLETC Director's Office since 2012, including Strategic Planning Program Manager.  Ms. Tocco previously worked in FLETC’s Office of State and Local Training and Rural Policing Institute.

Prior to joining FLETC, Ms. Tocco worked in the nonprofit and academic sectors.  For six years, she served as Assistant Director for the Scholarship Fund for Inner-City Children in Newark, New Jersey, where she managed scholarship programs for low-income families and conducted fundraising activities, including grant writing and event planning. For two years, she was the Donor Relations Director for the Salvation Army’s New Jersey Division, where she was responsible for implementing a new major donor program, writing funding proposals, and overseeing communications with high level donors.  While completing her graduate studies, Ms. Tocco served as a Research Fellow at the Rutgers Graduate School of Education’s Center for Educational Policy Analysis, where she worked on research teams conducting studies in a variety of topics, including educational accountability and evaluation, charter schools, and school voucher programs. She was responsible for data collection, data analysis, and writing, with a specialty in qualitative research methods.

Ms. Tocco holds a Bachelor of Arts degree with a double major in political science and history from Drew University, a Master of Education degree with a focus on educational policy and qualitative research methods from Rutgers University, and a Master of Public Administration degree from Valdosta State University. She also completed all doctoral coursework in educational policy while at Rutgers.


Ariana M. Roddini
Associate Director for Training Operations


Ariana M. Roddini serves as the Associate Director for Training Operations (ADT) for the Federal Law Enforcement Training Centers (FLETC), overseeing all training operations at FLETC training sites in Georgia, New Mexico, South Carolina, and Maryland, as well as international, state, local, tribal, and territorial training throughout the United States and the world.

Prior to her appointment as the Associate Director, Ms. Roddini served FLETC as the Assistant Director (AD) for the Training Management Operations Directorate (TMO). In that role, she provided oversight and strategic direction to six training and administration divisions across FLETC’s four training sites.

Before becoming the AD for TMO, Roddini served in dual roles as the Acting Protocol and Communications Office Chief, where she oversaw all internal, external, and virtual communications for FLETC, and as the Deputy Assistant Director for the Core Training Operations Directorate where she provided strategic and tactical direction for the Firearms Division, Driver and Marine Division, Enforcement Operations Division, and the Physical Techniques Division. She also served as the Deputy Assistant Director for the Regional and International Training Directorate, with oversight of FLETC's international, state, local, and tribal training.

Roddini began her law enforcement career as a fraud investigator for the New York City Department of Health and Human Services in 1994, where she was responsible for the investigation of fraud, waste, and abuse in the welfare system. In 1996, she joined the United States Secret Service (USSS) as a Special Agent. During her tenure with the USSS, she was assigned to the Office of Investigations, Office of Training, and Office of Protective Research. Ms. Roddini served as a member of the New York City Police Department Asian Organized Crime Task Force and the FBI’s Joint Terrorism Task Force. As a criminal investigator, she conducted complex investigations related to counterfeit currency, access device fraud, bank fraud, computer fraud and threats against the President of the United States. She has also conducted protection-related advances and served as a logistical or site coordinator for major events including the United Nations General Assembly, Millennium Summit.

In 2006, Roddini transferred as a Senior Instructor to the FLETC in Glynco, GA. She performed instructional duties in the Enforcement Operations Division and the Investigative Operations Division. In 2007, Roddini was promoted to a leadership position. Since then, has served on FLETC’s leadership cadre in various divisions or directorates throughout the organization.

Roddini is a graduate of the Senior Executive Service Candidacy Development Program and was executive certified by the Office of Personnel Management.

Roddini's formal education includes a master's degree in educational leadership and a bachelor's degree in criminal justice.


Assistant Director for the Training Management Operations Directorate






Mark A. Adamchik
Assistant Director for National Capital Region Training Operation Directorate


AD National Capital Region Training Operations Directorate

Mark A. Adamchik serves as the senior Federal Law Enforcement Training Centers (FLETC) staff member in Washington, D.C. The National Capital Region directorate consults and coordinates on matters pertaining to the Office of the Secretary, develops FLETC strategy, and determines policy positions on legislative matters to the Department, Congress, and other law enforcement partners. Assistant Director Adamchik also provides executive leadership for FLETC’s training delivery point in Cheltenham, Maryland as well as the International Training Division.

Prior to joining FLETC, Assistant Director Adamchik served as the deputy chief of the United States Park Police (USPP) field operations division. Assistant Director Adamchik successfully planned and executed law enforcement operations on behalf of the USPP for many high-profile and complex events to include presidential inaugurations, Independence Day celebrations, and the 2020 demonstrations and civil unrest in Washington, D.C. He led and coordinated the USPP response during the civil unrest events that occurred near the White House and the U.S. Capitol on January 6, 2021.

In addition to these major events, he developed and implemented comprehensive security plans to protect the symbols of democracy on the National Mall and served as a member of the Executive Steering Committee for several national special security events in Washington, D.C.

Throughout his career with the USPP Assistant Director Adamchik held a variety of operational and administrative positions to include serving as a member of the full-time Special Weapons and Tactic Team (SWAT), acting commander, Homeland Security Division in Washington, D.C. and New York, operations commander for law enforcement functions on the National Mall, commander of Special Forces (Aviation, SWAT/Canine Unit, Motorcycle Unit, Special Events Unit), and commander of the Icon Protection Branch. Additionally, he served as commander of the Office of Workforce Development overseeing agency training ,and completed a two-year assignment with the USPP Finance-Budget Office.

Assistant Director Adamchik earned a Bachelor’s Degree in Criminal Justice from the Edinboro University of Pennsylvania and is a graduate of the 269th Session of the FBI National Academy.



Manfred F. Harpole
Assistant Director for Core Training Operations Directorate


Assistant Director Harpole

Fred Harpole serves as the Assistant Director (AD) for the FLETC Core Training Operations Directorate (CTO).  In this role, he provides oversight of the Firearms Division, Driver and Marine Division, Enforcement Operations Division, and Physical Techniques Division. He also maintains oversight of the FLETC Artesia, New Mexico training delivery point.  Mr. Harpole first joined FLETC in March 2020 as the Deputy Assistant Director for CTO and was promoted to Assistant Director in August 2020. 

 Previously, Mr. Harpole served as Executive Director of the Transportation Security Administration (TSA) Office of Law Enforcement (OLE) Federal Air Marshal Service (FAMS) Flight Operations Directorate. In this role he maintained executive oversight of the Transportation Security Operations Center, National Capital Region Coordination Center, Law Enforcement Information Coordination Section, and Security Assessments Section. He was also responsible for FAMS enterprise-wide scheduling and operations through the Systems Operation Control Section. 

Prior to leading Flight Operations, Mr. Harpole served as the Director of TSA's Training Centers Division delivering law enforcement, security operations, and canine training at the TSA Academy, TSA Training Center and TSA Canine Training Center. In this position, he also managed the Federal Flight Deck Officer Program.  

Mr. Harpole has also served as the Supervisory Air Marshal in Charge (SAC) of the Seattle FAMS Field Office where he led Seattle based Federal Air Marshals and managed TSA's surface law enforcement operations in Alaska, Washington, Oregon and Idaho.  He also completed assignments as SAC of the FAMS Security Services and Assessments Division and ASAC for Law Enforcement Culture in the FAMS Director's Office. 

During the 112th session of Congress, Mr. Harpole served on detail assignment to the United States Senate Committee on Commerce, Science and Transportation.  In 2009, he served as the Acting TSA Representative to the United Kingdom, Ireland, Iceland, and Greenland.  Mr. Harpole began his FAMS career in 2002 and has flown air marshal missions from the Las Vegas and Washington Field Offices.

Mr. Harpole began his law enforcement career in 1987 with the Milwaukee Police Department where he served as a Police Aide, Police Officer and Police Sergeant, completing multiple uniform and undercover assignments in the Patrol Bureau, Criminal Investigations Bureau - Gang Crimes Intelligence Division, and Special Operations Bureau - Intelligence Division.

Mr. Harpole holds a B.A. in Economics summa cum laude from the University of New Mexico. He is a past member of the Federal Law Enforcement Training Accreditation Board of Directors.


Bryan R. Lemons
Mission and Readiness Support Directorate


Mr. Bryan R. Lemons was appointed Assistant Director, Mission and Readiness Support Directorate (MRSD), on July 5, 2020. Prior to this appointment, he had served as the Assistant Director, Technical Training Operations Directorate, since December 2019.

After graduating in 1989 from Central Methodist University with a Bachelor of Arts Degree in Political Science and History, Mr. Lemons attended the St. Louis University School of Law, receiving his Juris Doctorate in 1992. He received his Master’s degree in Public Administration from Valdosta State University in December 2011. Mr. Lemons is a 2007 graduate of the Federal Executive Institute’s Leadership in a Democratic Society Program, and a 2009 graduate of the Department of Homeland Security’s Senior Executive Service Candidate Development Program.

From 1989 to 1999, Mr. Lemons served as a commissioned officer in the United States Marine Corps, performing a wide-range of duties, including billets as an Environmental Attorney, Trial Defense Counsel, Legal Advisor, and Prosecuting Attorney. He joined the FLETC Legal Division in 1999 as a Senior Legal Instructor, and was promoted to Branch Chief over basic training programs in May of 2001. In April of 2004, he became the Branch Chief over advanced training programs. In August of 2005, Mr. Lemons was promoted to be the Chief of the Environmental and Safety Division at FLETC, and then became the Deputy Assistant Director, Office of Operations Support, Administration Directorate, in October of 2006. From June of 2008 to March of 2010, he performed duties as the Deputy Assistant Director, Office of Training Operations, Glynco Training Directorate. From March of 2010 to January 2012, Mr. Lemons was detailed to the College of Coastal Georgia under a loaned executive program, and served as the Assistant Vice President for Organizational Development and Legal Affairs. He served as the Deputy Assistant Director, MRSD, from January 2012 to March 2018, and as the FLETC Chief of Staff from March 2018 to December 2019.

Mr. Lemons was a member of the Board of Directors of the Glynn Community Crisis Center from 2012-2015, and has been an adjunct faculty member at the College of Coastal Georgia since 2013 teaching in the School of Business and Public Management.


Joseph Haefner
Acting, Office of Chief Counsel


OCC Haefner

Mr. Haefner graduated from Cornell University in 1985. He served as an Unrestricted Line Officer in the U.S Navy, operating in the Western Pacific while deployed to Sasebo, Japan and participated in Operation Desert Storm as part of the USS Nimitz Battle Group. He left active duty in 1993 and attended Case Western Reserve University School of Law, graduating in 1996.

Mr. Haefner entered the private practice of law as an attorney in Medina, Ohio before being appointed as the Deputy Law Director and Prosecutor in Stow, Ohio. In November 1999, Mr. Haefner was elected as the Stow City Law Director and served two four-year terms.

Mr. Haefner joined the FLETC Office of Chief Counsel in June 2008 and is physically located at the Artesia, New Mexico facility, providing dedicated legal support in the areas of labor, employment, and administrative law. In 2012, he added contract and fiscal law to his areas of responsibilities, supporting the Procurement Branch in Artesia. In November 2014, to better support the mission at the Artesia Training Facility, Mr. Haefner was promoted to Associate Chief Counsel and assumed the supervision and guidance of the instructional legal division staff. He is licensed to practice law in Ohio.


Donald R. Lewis
Chief Financial Officer Directorate


Mr. Donald R. Lewis was appointed Assistant Director for the Chief Financial Officer Directorate at the Federal Law Enforcement Training Centers (FLETC), Glynco, Georgia in May 2011.  He provides strategic direction and executive oversight of FLETC business activities aligned to the Chief Financial Officer Directorate, which includes budget and financial management.  Lewis is responsible for formulation, execution and oversight of an annual budget of over $600 million direct and reimbursable funding as well as financial management services provided to FLETC and two other DHS components.

Lewis began his federal career as a student in 1983 when he accepted a position in the Federal Junior Fellowship Program at Kings Bay Naval Base, GA as an Audit Assistant.  Upon graduating from the Junior Fellowship Program in 1988, Lewis was appointed as a Contract Specialist within the Naval Facilities Engineering Command (NAVFAC), also at Kings Bay.  Lewis continued to rise within the Procurement career field as a Contracting Officer and then in a supervisory role as the Simplified Acquisition/Base Operating Services Branch Chief.

Lewis left NAVFAC in 1997 to accept the position of Facilities Project Manager and Team Lead at the Strategic Weapons Facility, Atlantic (SWFLANT), and was promoted to Facilities Management Division Chief, SWFLANT where he served from 2001 to 2004.

Lewis arrived at FLETC in 2004 as the Purchase/Fleet Card Program Manager and was promoted in 2005 to Senior Policy and Program Analyst (SPPA), CFO.  He served in this capacity until 2009, when he accepted a position as the first Deputy Assistant Director (DAD), CFO.  Lewis has been serving in his current position as Assistant Director/Chief Financial Officer since May 2011.

Lewis has been recognized for distinguished service with being awarded two DON Civilian Meritorious Service Medals.  He holds a Bachelor of Science degree in business management from Auburn University and a Master of Business Administration degree from Brenau University.  He has completed the leadership and executive education program, Leadership for a Democratic Society, sponsored by the Federal Executive Institute. 


Michael L. Vesta
Assistant Director, Chief Information Officer


Michael L. Vesta was appointed as the Assistant Director/ Chief Information Officer for the Federal Law Enforcement Training Centers on August 21, 2016. Vesta has a diverse technological and managerial background, and he is responsible for the enterprise-wide management of information technology resources at FLETC.

Through strategic partnerships, FLETC prepares the federal law enforcement community to safeguard the American people, our homeland and our values.

To carry out this mission, FLETC serves as an interagency, law-enforcement training organization for more than 90 federal agencies or partner organizations. In addition, FLETC provides training and training resources to state, local, tribal, campus and international law enforcement.

Vesta’s career in the Federal Government began in 1986 with a four year enlistment in the U.S. Air Force where he served as a Weather Equipment Repair Specialist. In 1991, Vesta accepted a position with the National Weather Service as an Electronics and Computer Technician. During the next eleven years, he moved within the National Weather Service structure and served in many roles. These included two years as a Technical Training Instructor at the National Weather Service Training Center in Kansas City, Missouri, and five years in Las Vegas, Nevada as the Information Technology Officer. Vesta accepted a position as the CIO for the Overton Brooks VA Medical Center in 2002 where he advanced the role of IT in a complex healthcare environment. He started at FLETC in 2006 and has held the positions of IT Operations and Support Division Chief and Deputy Assistant Director/ Deputy Chief Information Officer.  

Vesta holds a B.S. in Computer Information Systems from Park University and an MBA from Texas A&M University, Commerce. He is a graduate of the National Defense University’s CIO Certificate program, and is a graduate of American University’s Key Executive Leadership program.