Partner
Dowd Bennett LLP
St Louis, Missouri
Attorney: 2017-2022.
Trial Attorney | Partner at Dowd Bennett LLP

Arsenio L. Mims concentrates on complex commercial civil litigation, products liability defense, employment law, corporate internal investigations, and sports and entertainment law.
Arsenio also defends clients in multi-district litigation proceedings across the United States and is a trial attorney with experience in all aspects of litigation including, but not limited to, case strategy, discovery, motion practice, settlement negotiations, trial, and appeal.
Arsenio has published numerous articles and is active in the community by serving as a board member of the St. Louis Children’s Hospital Development Board and the Guardian Angel Settlement Association of St. Louis. Arsenio is also a member of the University of Missouri School of Law’s Law School Foundation Board and the Western Illinois University Foundation Board. During the 2020-2021 Bar Year Arsenio was appointed to the Missouri Bar’s Special Committee on Lawyers of Color.
Prior to joining Dowd Bennett, Arsenio clerked for the Honorable Michael M. Mihm of the United States District Court for the Central District of Illinois. He obtained his law degree from the University of Missouri School of Law where he was on the Dean’s List, graduated Order of Barristers, and became the first ever African-American Editor-In-Chief of any law journal at the University of Missouri School of Law. During his undergraduate tenure, Arsenio was a member and team captain of Western Illinois University’s NCAA Division 1 Men’s Basketball Team and president of the Zeta Mu chapter of Kappa Alpha Psi Fraternity Incorporated. As a senior, Arsenio became one of 27 basketball players nationally to be named as a National Strength and Conditioning Association All-American.
Dowd Bennett LLP
St Louis, Missouri
Attorney: 2017-2022.
Leadership Council on Legal Diversity
Sandberg Phoenix & von Gontard P.C.
St Louis, Missouri
U.S. District Court
(appointed)Illinois
Served as judicial law clerk to the Honorable Michael M. Mihm, researching and drafting opinions, orders, and bench memoranda.
Heyl, Royster, Voelker & Allen
Peoria, Illinois
Attorney General's Office, Litigation Division
(appointed)Missouri
U.S. District Court
(appointed)Illinois Central District
Served as judicial law clerk to the Honorable Michael M. Mihm, researching and drafting opinions, orders, and bench memoranda.
Western Illinois University-Division 1
Macomb, Illinois
National Strength and Conditioning Association All-American (2010-2011); Kappa Alpha Psi (Polemarch 2010-2011)
Best Lawyers
August 2025
2023-Present.
Best Lawyers
August 2025
2023-Present.
Best Lawyers
August 2025
2023-Present.
National Black Lawyers
August 2025
Illinois State Bar Association Section on Federal Civil Practice
December 2015
LinkIllinois State Bar Association Young Lawyers Division
December 2015
LinkIllinois State Bar Association Section on Labor and Employment Law
June 2015
LinkIllinois State Bar Association
May 2014
Illinois State Bar Association
September 2013