Harrisburg Lawyers

The O'Connor Law Firm prides itself on delivering passionate, aggressive representation in the areas of Personal Injury and Criminal Defense and providing the highest level of client care.

“I’m proud to be a trial lawyer and proud to fight for my clients who have been harmed due to the negligence of others. Our civil justice system provides a platform and equal footing for those who don’t have the resources to hold powerful corporations accountable. Whether it’s making products safer for children or getting fatigued truck drivers off the road, I’m honored to be part of a system that protects our children and families.” Brendan received his undergraduate degree from Rockhurst College (1995) and his law degree from the University of Missouri (1998). After law school, Brendan served as a...

Arturo A. Hernandez III represents the interest of management in all areas of labor and employment law, including litigation before state and federal courts, various administrative agencies, and provides sound and confidential client counseling, and document preparation and review. Arturo handles all facets of employment law including defending employment discrimination and retaliation claims under Title VII, including race, sex and gender discrimination claims; the Americans with Disabilities Act; the Family Medical Leave Act; Missouri Human Rights Act; Section 287.780 of the Missouri Workers’ Compensation Act; and wage and hour disputes, including collective and class actions. Arturo also investigates and responds...

I am Cynthia M. Hennessey, a dedicated attorney in personal injury and workers’ compensation, serving clients across Missouri and Illinois. With over 30 years of experience and a background as a registered nurse, I am a trusted advocate for injured workers and accident victims in both states. Based in St. Louis, my practice spans statewide, focusing on workers’ compensation claims, workplace injuries, car accidents, slip-and-fall incidents, and other personal injury cases. As the founder of Hennessey Law LLC, I blend vigorous legal representation with genuine compassion, understanding the physical, emotional, and financial challenges my clients face. I have a proven track record...

Dirk Hennessey has spent the last 10 years aggressively representing those injured in Missouri and Illinois. Since graduating law school, he has helped the injured recover over $13,000,000.00 from America's Largest Insurance Companies. Dirk has successfully litigated catastrophic work injuries, car accidents, motorcycle wrecks, truck and semi-trailer accidents and is committed to ensuring that each client receives the utmost care and is treated like family.

Joshua is a native of Missouri, having obtained his Bachelor's Degree from Missouri State University, and his Juris Doctor from the University of Missouri - Kansas City. Prior to entering private practice, Joshua clerked for a Federal judge for the Western District in Kansas City, Missouri. Mr. Baker is an experienced and aggressive trial attorney. Joshua has obtained successful trial verdicts for his clients both at the trial level, and at the appellate level before the Southern District Court of Appeals. Joshua and his family currently reside in Ozark, Missouri, where he is an active member of the community.

Mary K. Walker practices primarily in the fields of agricultural law and civil litigation, including real estate and probate law. She is a graduate of the University of Tennessee College of Law and is licensed in the state courts of Arkansas, Missouri and Tennessee, in four United States District Courts and in the federal Court of Appeals for the Eighth Circuit. She is also a returned Peace Corps volunteer, y habla español.

Wendell L. Hoskins II practices primarily in the fields of agricultural law and civil litigation, crop insurance claims law and criminal defense for crop insurance fraud. He is a graduate of the University of Mississippi School of Law. He is licensed in the state courts of Arkansas, Mississippi, Missouri and Tennessee, in eight federal district courts and in the federal Courts of Appeals for the Sixth and Eighth Circuits. His reported cases include Pelzer v. ARMtech (E.D. Ark. 2013); Fullerton v Fullerton (Mo. App. S.D. 2012); Hensley v. Shelter Mutual Insurance Company (Mo. App. S.D. 2007); and Morrison v....

M. Blake Heath is the lead trial attorney for the firm. He grew up in the small town of East Prairie, Missouri and attended Westminster College for his undergraduate degree. Blake received his law degree from the University of Missouri-Kansas City where he graduated cum laude. During law school Blake served as a Notes & Comment Editor for the UMKC Law Review. He was also on the Executive Board for the Ellison Moot Court Competition, and was a legal intern for the Honorable Duane Benton on the 8th Circuit Court of Appeals. Blake has dedicated his career to...

Education: Washington University Law School J.D. 1965 Harvard Graduate Business School MBA. 1967 Arbitration: Qualified as Chairperson for FINRA Mediation: Styles: Facilitative and Transformative

Mark Murphy primarily represents people and businesses that have been harmed by others. He often represents victims of personal injury, wrongful death, and individuals with claims against insurance companies. He also represents home owners against builders, realtors, and home sellers who have misrepresented the condition of their homes. In addition to his litigation practice, Mr. Murphy represents families and residential care facilities that need assistance handling the affairs of the elderly and the mentally challenged. This often includes helping family members secure the authority to make decisions on behalf of loved ones who no longer can...