Holliday Lawyers

David Mangan grew up in Festus, Missouri and attended Festus R-6 High School, during which he participated in the Missouri Scholar's Academy, Missouri Boys' State, and the National Youth Leadership Forum on Medicine. He graduated from Festus in 2000 with a college preparatory degree. David then attended St. Louis University, where he majored in political science with a minor in theology and graduated summa cum laude with a Bachelor of Arts degree in 2004. While at St. Louis University, David was active in the pep band, played intramural sports, and worked at the St. Louis Symphony Orchestra. David...

I am a lifelong resident of Kansas City. I attended Rockhurst High School, the University of Missouri-Columbia, and the University of Missouri-Kansas City School of Law, where I served as Literary Editor of the Law Review. Upon my graduation from law school, I spent one year as a judicial law clerk in Jackson County, Missouri and then spent several years at a prominent Kansas City litigation firm. In 2011, I realized a lifelong dream and founded the Porto Law Firm. I am also an adjunct professor at a local community college where I teach tort and...

Bill Quatman is a licensed Architect as well as an Attorney, with over 40 years of experience. He is an AV Preeminent-rated lawyer (highest rating) by Martindale Hubble, who was given the Lifetime Achievement Award by Missouri Lawyers Weekly. He is a Fellow of the American Institute of Architects (AIA), the Design-Build Institute of America (DBIA), and the Construction Lawyers Society of America (CLSA). He is an approved arbitrator by the American Arbitration Association (AAA) and a mediator through the U.S. District Court for the Western District of Missouri (WDMo).

Andrew Kuhlmann is a St. Louis trial lawyer with experience in complex litigation. He focuses on employment law, commercial disputes, civil rights, and personal injury litigation. Andrew Kuhlmann has represented businesses and individuals in Missouri, Illinois, and throughout the United States.