When you think of a quality that describes the attorney you want working for you, does “tenacious” come to mind? That’s what Tatum’s clients say about her. Tatum was born and raised in Western North Dakota. Her extensive experience, both in and out of the courtroom, coupled with a work ethic that never stops, has earned her a solid reputation as an attorney who represents her clients with tenacity and skill. Tatum’s areas of concentration include criminal law, personal injury, and general litigation. In the practice area of criminal defense, Tatum represents clients charged with: misdemeanors, felonies, drug and property crimes, DUI/DWI, juvenile matters. In her personal injury practice area, she handles catastrophic injury and wrongful death cases, trucking crashes, medical malpractice cases, other motor vehicle crashes and premises liability cases. Tatum earned her undergraduate degree in Sociology with an emphasis on criminal justice from North Dakota State University, Fargo, North Dakota. She graduated with distinction from the University of North Dakota School of Law. While in law school, Tatum served as a law clerk at the Morley Law Firm in Grand Forks, North Dakota. Tatum also spent a summer as an extern with the US Attorney’s Office, District of North Dakota. Before joining the firm, she was a law clerk for all eight judges in the East Central Judicial District, Cass County, North Dakota. Throughout her many years in practice, Tatum has established a reputation as a highly skilled and experienced attorney, representing clients in both criminal and personal injury cases.

Madison grew up on a farm near Wolford, North Dakota, a small town northeast of Rugby. She was the Valedictorian of her high school class. She graduated from North Dakota State University (NDSU) where she majored in Criminal Justice and double minored in Business Administration and Psychology. Following her undergraduate studies in Fargo, she went on to Mitchell Hamline School of Law in St. Paul, Minnesota, where she earned her law degree, graduating Cum Laude. During law school, she was a law clerk at a law firm in Anoka, Minnesota. Upon passing her bar exams, Madison became a full-time Public Defender in Fargo. As a Public Defender, Madison has proven to be an excellent advocate for her clients. Madison is an excellent listener, an accomplished communicator, and a strong voice for those she represents. She has gained valuable experience helping people who have found themselves in challenging legal situations. Madison sees her primary responsibility as helping her clients navigate the complicated legal system. Madison joined the O’Keeffe O’Brien Lyson Attorneys team in March 2023, focusing her practice on Criminal Defense and Personal Injury cases.