Bryan Kastelic began his path to law enforcement while serving 10 years in the US Army Infantry (4 years active duty & 6 years WI Army National Guard). Bryan joined the Brown County Sheriff’s Department in 1996 where he served as Patrol Officer (2 years), Narcotics Investigator (6 years), DARE / GREAT Instructor (2 years) and held additional duties as a member of the Brown County Emergency Response Unit (6 years) and Unified Tactical Instructor. In 2006, Bryan joined DCI and served as a narcotics Special Agent in the Milwaukee Field Office and North Central HIDTA / DEA Task Force 63 until 2012. From 2007 to 2022, Bryan served on the WI Joint Tactical Team as a sniper team leader, UTT instructor and commander. Bryan served from 2012 until retiring in 2023 as the Native American Drug & Gang Initiative (NADGI) Task Force Commander.

Ed O’Carroll began his public service as an Emergency Medical Technician and Assistant Chief of an Ambulance Squad in New York. After relocating to the National Capital Region, Ed started his law enforcement career on September 11, 1989, with the Fairfax County (Virginia) Police Department and retired in early 2023. During more than 33-year career in law enforcement, he has served in every position from cadet to major. His recent executive assignments have included Director of the Media Relations and Internal Affairs. He is the immediate past Bureau Chief of the Major Crimes, Cyber and Forensics Bureau. Ed is a graduate of the prestigious FBI National Academy. Currently, Ed also serves as a national certified trainer for the Refuse to Be A Victim program. Ed just completed a decade of service as a trustee on the Fairfax Police Officers Retirement System Board that provided oversight to a nearly 2-billion-dollar investment fund.

Jeff is a 32-year veteran of the United States Marshals Service. Since 1992, Jeff has served as a Deputy United States Marshal in the Southern District of Florida and the District of Massachusetts. During that time Jeff held positions as Deputy, District Supervisor, Task Force Supervisor, Assistant Chief, and acting Chief. For the last several years Jeff has worked for the United Marshals Service Headquarters, Judicial Security Division, National Center for Judicial Security (NCJS) where he recently served as acting Assistant Chief. Jeff’s primary role is to build security products and training programs for Marshals Service Judicial Security Units and Marshals Service protected persons in the 94 federal judicial districts. Jeff travels nationwide conducting training and security briefings to mitigate risk and ensure the safety of the judicial process.

John Muffler is a strategic consultant for judicial officers, high-visibility clients in government, business, education, entertainment, and private sectors, developing strategic initiatives and crisis management processes. A retired United States Marshals Service Chief Inspector, he developed and led the National Center for Judicial Security. Holding a top-secret clearance and key leadership positions throughout his decorated career, he led programs in judicial and witness protection, emergency management, physical security, fugitive investigations, and threat assessment and management. John serves as adjunct faculty for the National Judicial College, the National Council of Juvenile and Family Court Judges, the American Bar Association’s Judicial Division, and as faculty/consultant for the National Center for State Courts, developing safety and security programs for court facilities and personnel, judges, and their families, ranging from immersive learning to in-person consultations.

Chief Inspector John Seagreaves has over 32 years of federal law enforcement experience. He is a certified law enforcement trainer and has conducted training in both international and domestic capacities. He has been a featured speaker for international, national, and regional conferences. During his career as a criminal investigator in the USMS, he created and led an office of the Great Lakes Regional Fugitive Task Force, led the Great Lakes Region Organized Crime Drug Enforcement Task Force, was the Chief of the USMS District of Puerto Rico, the Chief of USMS Collections and Intelligence for Judicial Security, and Chief of the USMS Judicial Threats office. He currently heads Judicial and International Outreach where he develops judicial security products and training for the federal judiciary and USMS personnel, manages a USMS protective assets vulnerability assessment team, and oversees all judicial security related international assistance for the USMS.

Judge Lenzi is an enrolled member of the St. Regis Mohawk Tribe, a member of the Wolf Clan. She is the Chief Judge of the Winnemucca Indian Colony, Chief Judge of the Chemehuevi Indian Tribal Court, Chief Judge of the Cedarville Rancheria Tribal Court, and a conflicts judge for the Bishop Paiute and Yerington Paiute Courts. She serves on the San Manuel and Duckwater Shoshone appeals courts. She holds a B.A. in Criminal Justice from the University of Texas at San Antonio, and a J.D. from the UC Berkeley School of Law (formerly Boalt Hall). Judge Lenzi is a member of the California Bar as well as multiple tribal courts. Judge Lenzi has participated in tribal court evaluations as an evaluating member of Native Knowledge Harvest, LLC.

Kelly Sayre empowers individuals with realistic tactics and tools to help them live life safely and on their own terms. Her refreshing angle on personal safety emphasizes non-physical, proactive situational awareness techniques that recognize and avoid threatening situations before they happen. With a grounded approach and high energy, Kelly works with law enforcement, nonprofit, corporate and youth organizations on emergency preparedness, situational awareness training and personal safety. She is a frequent speaker at national events and a guest on global podcasts. Kelly is trained in FEMA’s Community Emergency Response Team program, the Department of Homeland Security’s Active Shooter Preparedness Workshop, and Texas A&M Extension Service’s Crisis Communications & Special Events Risk Management. She is a member of the Association of Threat Assessment Professionals.

Randy's duties include civil law/process and law enforcement. His broad experience in law enforcement began in 1979 and includes 5 command positions as the chief law enforcement officer. He holds Master Peace Officer, Instructor, Firearms Instructor, and Crime Prevention Inspector Certifications with the Texas Commission on Law Enforcement (TCOLE) and has a Bachelor of Science Degree in Criminal Justice Administration. During his law enforcement tenure, Randy has gained more than 30 years of experience in court security operations at the Federal and local levels. This experience includes the participation in planning and operations of the first post 9/11 terrorist trial of the Holy Land Foundation in Dallas, TX and more recently the Warren Jeffs FLDS trials held in San Angelo, TX. Mr. Harris participated with TCOLE in writing the curriculum for the Court Security Specialist Certificate program, the TCOLE 10999 Court Security Officer curriculum.

Bob is a 45-year veteran prosecutor. Bob spent nine years as an Assistant State’s Attorney in the Cook County, Illinois State’s Attorney’s office. In 1987, he came to Wisconsin as an Assistant District Attorney in the Felony Unit of the Dane County District Attorney’s Office. In 2014, Bob joined the Criminal Litigation Unit of the Wisconsin Department of Justice as an Assistant Attorney General. Bob has lectured on all aspects of prosecution and investigation of crimes, including but not limited to murder, child abuse, sexual assault, gang crimes, sexual assault, strangulation, victims’ rights, competency to stand trial, the mental disease or defect defense, the rules of evidence, prosecutor ethics, law enforcement investigations and working with prosecutors’ offices, all aspects of trial practice, witness preparation, sentencing and plea negotiations. Bob is certified as a Trial Advocacy Instructor by the National Institute of Trial Advocacy.

Ryan is a Supervisory Deputy with the United States Marshals Service. He manages the North Texas Judicial Security Unit (JSU) and is a member of the Marshal Service's Judicial Security Assessment Group (JSAG). On the JSAG, Ryan is a subject matter expert on residential security, home internet safety, facility security systems, and security officer operations. Ryan previously served as an infantry squad leader and platoon sergeant in the United States Marine Corps and later as a police officer in Alaska. He is a privacy hobbyist and enjoys Jiu Jitsu and hiking in his spare time.