Wentzville, MO

Alan S. Mandel

Alan Mandel is a partner of Mandel & Mandel and has practiced his entire career at the firm. He is a Phi Beta Kappa graduate of Washington University A.B. 1975 and received his J.D. in 1978. In law school he was the winner of the Wiley Rutledge Moot Court Award and was named to the Order of Barristers. He is a member of the Missouri and Illinois Bars as well as the Bars of the Eighth Circuit Court of Appeals, The Seventh Circuit Court of Appeals, and the Federal Courts of the Eastern District of Missouri and Southern District of Illinois, and has lectured extensively in the areas of personal injury and workers’ compensation law. He is a member of the American Bar Association and is a fellow of the American Bar, The Lawyers Association of St. Louis, the American Association of Justice and the Missouri Association of Trial Attorneys, having been President of that organization in 2009-2010 and serving on the Executive Committee for 11 years and is consistently named to the Best Lawyers of America, Super Lawyers and has the highest AV rating from Martindale-Hubbell. He served by Supreme Court appointment on the Region XI Disciplinary Committee of the Missouri Bar. Mr. Mandel has extensive civil trial experience and has had more than 34 cases in which he has obtained over a million dollars in damages for victims. He has argued numerous cases of great import in the Missouri Supreme Court and Courts of Appeals. Mr. Mandel served as President to the West Point Parents Club Board of Directors of the Urban League of Metropolitan St. Louis serving as counsel for 5 years. Mr. Mandel also served for nine years on the board of Premier Charter School, the oldest and largest charter school in the City of St. Louis.

Michael J. Sudekum

Michael J. Sudekum is a personal injury, motor vehicle collision, workers’ compensation and product liability attorney in St. Louis, Missouri. With over 20 years of experience, he represents clients in personal injury and wrongful death cases in Missouri and Illinois. He is a partner at Mandel, Mandel, Marsh, Sudekum and Sanger.

Andrew L. Mandel

Andrew Mandel is a partner of the law firm of Mandel & Mandel, LLP, an A.V. rated personal injury law firm in St. Louis, Missouri. Mr. Mandel focuses his practice on the prosecution of personal injury and workers’ compensation matters. He received his undergraduate and law degrees from the University of Missouri-Columbia (B.S. Ed. 1979, J.D. 1982). During his over thirty-years in the legal profession, Mr. Mandel has been active in the legal community in a number of roles, including as a member of the Missouri Association of Trial Attorney’s Board of Governors and the Region XI Disciplinary Committee of the Missouri Bar. He has been a long time member of the Missouri Association of Trial Attorneys and the American Association for Justice. In his free time, Mr. Mandel likes to support amateur soccer. Mr. Mandel has also been a great supporter of a number of local charitable organizations including The BackStoppers. In 2010, Mr. Mandel was honored for his generosity and longstanding to the goals of Kid’s Chance, Inc., an organization established to provide scholarships to children of injured workers.

Paul Marks

Paul Marks is an Attorney-At-Law at Sivia Law, directing litigation with over 15 years of experience in business, real estate, trusts & estates, insurance, complex-litigation, financial injury, and personal injury cases. He joined Sivia Law in 2014 and focuses on business entity matters and acts as general counsel for small-business clients. He is admitted to practice in Illinois, Missouri, U.S. Court of Appeals: Seventh Circuit, U.S. District Court for the Southern District of Illinois, and U.S. District Court for the Central District of Illinois.

Patrick Hamacher

Patrick Hamacher was born and raised in St. Louis, Missouri. Patrick graduated from Loyola University in Chicago in 2007 and from the University of Missouri School of Law in 2011. At Mandel and Mandel, Patrick focuses his practice on personal injury and civil rights litigation. Patrick specializes in motor vehicle accidents, slip and falls, medical malpractice, wrongful death, and products liability. Patrick is a member of the Theodore McMillian Inn of Court, the St. Louis Chapter of the American Inns of Court. Prior to joining Mandel and Mandel, Patrick spent his career with the St. Louis Circuit Attorney’s Office. As a prosecutor, Patrick was a member of the office’s Armed Offender Unit where he focused on homicides, assaults, and robberies. There he also worked on complex investigations including officer-involved shootings, multiple co-defendant trials, and multiple-victim homicide cases. Patrick has tried more than 30 criminal jury trials to completion. During his tenure at the St. Louis Circuit Attorney’s Office, Patrick won Teamwork and MVP awards, as well as the Neighborhood Star award for his dedication to community prosecution. He also created and managed the office-wide mentorship program. In 2016, Patrick was a candidate for St. Louis Circuit Attorney. In his spare time, Patrick plays hockey and volunteers in his community. Patrick is on the Board of Ready Readers and serves as President of Lafayette Square Bath and Tennis Club. Patrick currently lives in Lafayette Square, with his wife Catherine and son Owen.

Michael J. Sudekum

Michael Sudekum has worked at the firm since his graduation from the University of Missouri Columbia School of Law (JD, 2000). Before law school, he went to Saint Louis University and received a degree in political science, Cum Laude. He is currently licensed to practice in the states of Missouri and Illinois, as well as in the United States District Courts of the Eastern District of Missouri and the Southern District of Illinois.

Michael J. Kelley

Mike joined the firm in 2016. He represents injured people in workers’ compensation and personal injury claims, including auto & trucking accidents, premises liability, Jones Act, and medical malpractice cases. Prior to joining the firm, Mike worked for one of the largest workers’ compensation defense firms in Missouri representing employers and insurance companies in workers’ compensation claims. His experience gave him keen insight to how insurance companies view injured employees and how they analyze their claims. At Mandel, Mandel, Marsh, Sudekum, and Sanger, LLP, Mike uses his insider knowledge to fight the insurance companies and help his clients get every benefit they are entitled to under the law. Mike has been the Chair of the BAMSL Workers’ Compensation Committee since 2018. He served on the Board of Trustees for Gateway Chapter of the National Multiple Sclerosis Society from 2020 until 2022 and continues to be an active fundraiser for MS. Mike lives in the city of St. Louis with his wife and two daughters. In his free time, he enjoys live music, traveling, and camping with his family and friends.