Mark S. Deiermann

Andrew Ruben is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Litigation - Construction and Real Estate Law. Andrew, who practices law in Clayton, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Lisa A. Pake is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation, Criminal Defense: White-Collar, Insurance Law, Legal Malpractice Law - Defendants, Litigation - Insurance and Professional Malpractice Law - Defendants. Lisa A., who practices law in St. Louis, Missouri, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa A. is held by other top lawye...

Stephen Daiker focuses his practice on estate, gift and income tax planning for high net-worth individuals, charitable planned giving, and succession planning for owners of privately-held businesses. He is a frequent speaker on these topics and has written articles for numerous publications, including Taxation for Accountants, taxation for Lawyers, The Florida Bar Journal, The Journal of the Missouri Bar, The Journal of Financial Planning, and the Tax Management Journal of Estates, Gifts and ...

Stuart J. Vogelsmeier is a business lawyer and represents health care providers, owner-operated businesses and individuals in Missouri, Illinois and throughout the Midwest. He practices health law and corporate law. Mr. Vogelsmeier has been involved in every phase of the life of business. This includes dealing with structuring businesses, buying and selling businesses, providing regulatory advice, negotiating contracts and leases, structuring joint ventures, as well as providing planning advi...

Patrick J. Hagerty is a native of St. Louis. He completed his undergraduate studies at Quincy College in 1981. He received his law degree in 1985 from Saint Louis University School of Law, and served as an editor of the Saint Louis University Law Journal. Mr. Hagerty is licensed to practice in Missouri and Illinois, and in federal district courts and courts of appeal in Missouri, Illinois, Michigan, Arkansas and the Sixth, Seventh and Eighth Circuits. He serves on the Board of Governors of th...

Gretchen Garrison graduated from the University of Missouri in 1982 with a degree in Hospital Administration. She earned her law degree from the University of Missouri-Kansas City in 1986, where she served as managing editor of the UMKC Law Reviewand on the Moot Court Board. Ms. Garrison is admitted to practice before all Missouri state courts, the U.S. District Court for the Eastern District of Missouri and the Eighth Circuit Court of Appeals. She has appeared before every appellate court in...

Matthew J. Madsen’s practice includes the representation of affluent private clients in the structure and implementation of complex estate and wealth transfer planning strategies, estate and trust administration and litigation, and audits of gift and estate tax returns. Mr. Madsen advises private clients on their charitable giving strategies, ranging from charitable pledge agreements, donor-advised funds, supporting organizations to private foundations. Mr. Madsen similarly advises tax-...

Andrew S. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Andrew S., who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew S. is held by other top lawyers in the same geographic and legal practice area.

David S. Spewak is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. David S., who practices law in Clayton, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David S. is held by other top lawyers in the same geographic and legal practice area.

Kenneth P. Danzinger is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Plaintiffs and Workers' Compensation Law - Claimants. Kenneth P., who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth P. is held by other top lawyers in the same geographic and legal practice area.