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With experience as a federal prosecutor, United States Attorney, and military lawyer at the highest levels of the Department of Defense, Tim helps clients navigate government investigations and litigation.

As U.S. Attorney for the Western District of Missouri, Tim was the chief federal law enforcement officer for a district spanning 66 counties and the state’s largest city, and led the efforts of nearly 150 federal prosecutors, civil litigators, and support personnel. He counseled the Attorney General’s Advisory Committee in the areas of terrorism and national security, and violent and organized crime, and chaired the executive committee of the Midwest High Intensity Drug Trafficking Area for a territory covering seven states. Previously, Tim served as a federal prosecutor in the district, coordinating dozens of complex multiagency investigations by federal, state, and local law enforcement. He is a veteran of numerous jury trials in U.S. District Court and arguments before the U.S. Court of Appeals for the Eighth Circuit.

A decorated Marine Corps Lieutenant Colonel, Tim’s active duty career took him to duty stations on both U.S. Coasts, and to Iraq as a war crimes prosecutor. Tim continues to serve in the Marine Corps Reserve, and deployed to Afghanistan’s Helmand Province as the Chief of Operational Law for an eight-nation NATO force. Returning stateside, Tim worked on military criminal justice legislation and policy at the Pentagon. As Deputy Legal Counsel to the Chairman of the Joint Chiefs of Staff, Tim participated in the development and review of national strategic plans and operations, representing the Chairman’s interests with the principal legal advisors of the Department of State, Department of Justice, and the Intelligence Community. In his Reserve capacity, he served as Associate Deputy General Counsel for International Affairs at the Department of Defense.

Clients value Tim’s singular skill set. He has conducted sensitive investigations on high-profile matters with national media scrutiny, trained and led large legal and military teams, and advised leaders in virtually every setting. Whether shoulder-to-shoulder with commanders in combat, guiding executives in board rooms, or advising cabinet officials at the White House, Tim helps them implement practical solutions to complex legal challenges, always with compliance top of mind.




  • United States Marine Corps Reserve's 2022 Outstanding Career Judge Advocate, Judge Advocates Association
  • Missouri Lawyers Media, POWER List for White Collar Defense, 2022
  • David J. Dixon Appellate Advocacy Award, Missouri Bar Foundation
  • Trial Advocacy Award, Army Judge Advocate General’s Legal Center and School
  • Springfield Public Schools Hall of Fame
  • Springfield Business Journal, “12 People You Should Know” (2019) and “40 Under 40” (2016)
  • Personal military decorations include the Combat Action Ribbon, the Meritorious Service Medal, two Navy & Marine Corps Commendation Medals, and the Navy & Marine Corps Achievement Medal


  • J.D., University of Missouri School of Law
    • Certificate in Tax
    • Dean’s List
    • Missouri Environmental Law & Policy Review
  • M.P.A., University of Missouri
    • American Review of Public Administration, Editorial Assistant
  • B.A., Drury University
    • Political Science
    • magna cum laude


  • Missouri

Federal Prosecution

  • In first fiscal year as U.S. Attorney, Western District of Missouri, took lead among 94 districts in prosecution of firearms crime (2nd), violent crime (6th) and crime against children (6th). Increased number of prosecutions of large-scale drug traffickers by 226 percent.
  • As U.S. Attorney, Western District of Missouri, led Operation LeGend, a successful effort deploying hundreds of federal law enforcement agents to support Kansas City Police Department, prompting expansion to eight other cities as DOJ's most significant law enforcement effort. Agents arrested 6,000 violent criminals, including nearly 500 for homicide, and seized more than 2,600 illegal guns; a half ton of heroin, methamphetamine, fentanyl, and cocaine; and $11 million in illicit proceeds.
  • As U.S. Attorney, Western District of Missouri, served on Advisory Subcommittees on Terrorism and National Security, Violent and Organized Crime, and the Marijuana Working Group, as well as Chairing Midwest High Intensity Drug Trafficking Areas Executive Board.
  • As Assistant U.S. Attorney and Special Assistant U.S. Attorney, Western District of Missouri, litigated 12 federal jury trials; as lead attorney, earned guilty verdicts on every count submitted to a jury; litigated hundreds of contested hearings before U.S. Magistrate and District Court judges; and briefed twelve and successfully argued five of six appeals before Eighth Circuit Court of Appeals.

U.S. Marine Corps & Military Counsel

  • As Associate Deputy General Counsel, International Affairs, Department of Defense Office of General Counsel, advises DOD on planning and conduct of military operations, including the law of armed conflict and war crimes, war powers, coalition relations and assistance, and activities of U.S. forces under international law and relevant United Nations Security Council Resolutions; arms control negotiations, implementation, and non-proliferation; status of forces agreements; cooperative research and development programs; international litigation; law of outer space; and multilateral agreements.
  • As Deputy Legal Counsel to the Chairman of the Joint Chiefs of Staff, advised Chairman and Vice Chairman of the Joint Chiefs of Staff, and the Director and members of the Joint Staff on all matters, including operational law, international law, law of armed conflict, and U.S. law; regularly interacted with the principal legal advisors of the National Security Staff, Department of State, Department of Justice, Director of National Intelligence, Central Intelligence Agency, combatant commands, military departments, and defense agencies.
  • As Military Justice Attorney, Judge Advocate Division, Headquarters Marine Corps, reviewed proposed presidential executive orders and legislative changes to the Uniform Code of Military Justice.
  • As Military Justice Attorney, developed training programs, information papers, memoranda, and practice advisories on new or uncommon issues in military justice matters.
  • As Military Justice Attorney, assisted the Chairman of the Joint Chiefs of Staff, the Commandant of the Marine Corps, and the Staff Judge Advocate to the Commandant of the Marine Corps in preparing for testimony before congressional armed services committees on military criminal justice matters.
  • As Chief of Operational Law, International Security Assistance Force, Regional Command (Southwest), Helmand Province, Afghanistan, provided operational law advice and support to commanding general and subordinate commands of a multi-national force in Afghanistan's most volatile province.
  • As Chief of Operational Law trained thousands of coalition troops in the Law of Armed Conflict and Rules of Engagement.
  • As Chief of Operational Law, conducted mounted and dismounted patrols to local villages to assess Taliban operations and interviewed local nationals regarding the 2014 Afghan presidential election.
  • As Chief of Operational Law, supervised detention operations and inspections by the International Committee of the Red Cross.
  • As Deputy Staff Judge Advocate, advised commanding general, subordinate commanders, and staff on matters of criminal justice, officer misconduct, civil law, administrative law, fiscal law, government contracting, and international and operational law, including rules of engagement and status of forces agreements.
  • As Regional Judge Advocate, advised commanders on issues such as discipline and investigations.
  • As Trial Counsel, Marine Forces Central Command, prosecuted a series of cases with presidential and congressional oversight and international media scrutiny alleging crimes by U.S. personnel in Iraq, including 25 homicides, conspiracy, kidnapping, and obstruction.
  • As Trial Counsel, deployed to Anbar Province, Iraq, to investigate and interview surviving witnesses.
Outside the Office

Tim and his wife, Traci, a professor at Missouri State University, stay busy with their three children in college, high school and middle school. Tim enjoys roaming the Missouri woods in pursuit of deer and turkeys, and cheering for the Kansas City Chiefs, St. Louis Cardinals, and Mizzou Tigers.

Community Leadership

Professionally, Tim has built a career as a tough Marine and hard-nosed prosecutor, but he’s really a softy.

Team Garrison is rarely under the same roof, but when they are, you’re likely to find Tim and Traci involving the kids in a service activity. In January 2020, before the pandemic struck, Tim and his oldest son traveled to Nicaragua for his senior trip to build homes with Project Hope. While construction was underway, they found time to play with local kids and encourage residents at a drug rehabilitation facility. From working with their church’s adoption and foster care ministry, raising money or sorting donations for a nonprofit for young families in crisis, or waiting tables at a mission for people experiencing homelessness, they take seriously the biblical command to care for the least of these.

  • Second Baptist Church, Deacon and Lay Leader
  • Grace Classical Academy, Former Board Member
  • Pregnancy Care Center, Former Board Member