Senior Management

Chase E. Zachary

First Assistant United States Attorney

Chase E. Zachary has served as the First Assistant United States Attorney for the Middle District of Louisiana since January 2026.  He is the senior legal and policy advisor to the U.S. Attorney on all criminal, civil, national security, and administrative matters affecting the district.    

Mr. Zachary joined the U.S. Attorney’s Office in 2018, originally working as the office’s Affirmative Civil Enforcement (ACE) Coordinator.  In that role, he litigated cases under the False Claims Act and recovered nearly $18 million in damages and penalties on behalf of the federal government.  From December 2020 until his current appointment, he was the Chief of the Civil Division for the U.S. Attorney’s Office.

Mr. Zachary received his J.D., magna cum laude, from New York University School of Law, where he was also inducted into the Order of the Coif.  He was previously a judicial law clerk for the Honorable David B. Sentelle on the U.S. Court of Appeals for the District of Columbia Circuit.  Before joining the U.S. Attorney’s Office, Mr. Zachary worked in private practice in the New York office of WilmerHale and in the Baton Rouge office of Kean Miller LLP.  He holds a Ph.D. in Chemistry from Princeton University and is a registered patent attorney with the U.S. Patent and Trademark Office.  Mr. Zachary also serves as the Ethics Advisor for the U.S. Attorney’s Office.

William K. Morris

Chief, Criminal Division

Will Morris was appointed as Chief of the Criminal Division in January 2026. As Criminal Chief, Mr. Morris supervises all investigations and prosecutions by the U.S. Attorney’s Office (USAO) across a wide range of practice areas, including fraud and financial crimes, cybercrime, public corruption, child exploitation, and narcotics and firearms offenses.

Mr. Morris began his tenure as an Assistant United States Attorney (“AUSA”) in the Middle District of Louisiana in 2018. During his time as an AUSA, he managed a challenging caseload that included drug trafficking, violent crime, and firearms-related offenses. He also led multiple large-scale drug investigations, resulting in the disruption and dismantling of some of the most dangerous drug trafficking organizations in and around Baton Rouge. Mr. Morris also served as the District’s Project Safe Neighborhoods (PSN) Coordinator, which involved working closely with state, local, and federal law enforcement on initiatives to improve public safety.

Prior to his role as a federal prosecutor, Mr. Morris worked as a trial attorney with the East Baton Rouge Parish District Attorney’s Office for thirteen years, holding the positions of Misdemeanor Assistant, Felony Assistant, Section Chief of a Trial Section, Section Chief of the Violent Crime Unit, and Section Chief of the East Baton Rouge Parish District Attorney’s Crime Strategies Unit.

Katherine K. Green

Acting Chief, Civil Division

Katherine K. Green has served as an Assistant U.S. Attorney in the Middle District of Louisiana since September 2018.  As an Assistant U.S. Attorney, Katherine has handled a variety of matters involving the Federal Tort Claims Act, Title VII of the Civil Rights Act of 1964, the Administrative Procedure Act, and other regulatory matters.  Most recently, she served as the Civil Rights Coordinator for the Office, handling both civil and criminal civil rights investigations and cases.  Katherine received her law degree from the Paul M. Hebert Law Center at Louisiana State University, where she served as a Senior Editor on the Louisiana Law Review.  Subsequently, she served as a federal law clerk for Judge James J. Brady and Chief Judge Shelly D. Dick in the United States District Court for the Middle District of Louisiana.  In addition to her work as an attorney, Katherine is a co-founder of a non-profit that assists survivors of human trafficking in New Orleans.