Kansas Bureau of Investigation Director Tony Mattivi was nominated by Attorney General Kris Kobach to be the 13th Director of the KBI, and he was confirmed by the Kansas Senate on February 9, 2023.

In one of his first initiatives as Director, Mattivi helped form the Joint Fentanyl Impact Team, a federal and state partnership that targets fentanyl trafficking and distribution in Kansas. A key tool of the team was the addition of the KBI's first-ever K-9 unit. In July 2023, the KBI West Child Victims Unit was created to investigate a greater number of cases impacting Kansas children, and in July 2024, the Southeast Child Victims Unit was formed. Also under his leadership in June 2024, the Bureau concluded a $6.9 million upgrade to the Automated Biometric Identification System, the state's searchable database that collects and compares fingerprints for identification purposes.

Prior to serving as KBI Director, Mattivi was as a federal prosecutor for over 20 years, prosecuting drug trafficking, violent crime, racketeering, organized crime, gangs, money laundering and terrorism cases.

Mattivi was the lead prosecutor for the capital case against the al Qaeda operative who masterminded the bombing of the USS Cole, in 2000. He also worked for the U.S. Department of Justice's (USDOJ) Regime Crimes Liaison Office in Iraq, advising the Iraqi High Tribunal as they tried members of Saddam Hussein's regime for committing war crimes.

Director Mattivi led a team of prosecutors who convicted three Kansas militia members for plotting to slaughter Somali Muslim immigrants living and worshipping at an apartment building and mosque in Garden City. He also prosecuted Terry Lee Loewen, a former U.S. Marine who attempted to detonate high explosives at the Wichita airport on behalf of al Qaeda, and John T. Booker, who conspired to detonate a truck bomb at Fort Riley in support of ISIS.

Mattivi is a graduate of Metropolitan State College of Denver, and Washburn University School of Law. He was the Antiterrorism and National Security Coordinator for the District of Kansas, and served as president of the Federal Bar Association chapter of Kansas and Western Missouri.

He currently serves on the board of the American Society of Criminal Investigative Agencies, as a commissioner on the Kansas Commission on Peace Officer Certification and Training, is the Vice Chair for the Kansas Criminal Justice Coordinating Council, and is a member of the Midwest HIDTA Executive Board.