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With decades of estate planning experience, Mark is dedicated to accomplishing his clients’ unique estate planning and business-succession planning goals through the use of the most effective and tax-advantaged planning methods available.

Mark represents executors and trustees in the administration of estates and trusts, serves in these fiduciary capacities himself, and represents beneficiaries of estates and trusts.

Mark represents fiduciaries and beneficiaries in controversies involving trusts, estates and related tax issues. He has represented individual and institutional executors and trustees in trust reformations, nonjudicial settlement agreements, contested trust accountings, contested federal estate tax examinations, and will and trust contests.

As a related part of his practice, Mark deals specifically with all estate and gift tax, generation-skipping transfer tax, and fiduciary and individual income tax aspects of estate plans and trust and estate administration.




  • The Best Lawyers in America®, Trusts and Estates, 2001-2023
  • Martindale-Hubbell AV Preeminent
  • Missouri & Kansas Super Lawyers, Estate Planning & Probate, 2005-2008


  • J.D., Saint Louis University School of Law
    • magna cum laude
  • B.S., Saint Louis University
    • magna cum laude


  • Missouri

Professional Memberships and Certifications

  • American Bar Association
  • The Bar Association of Metropolitan St. Louis 
  • Estate Planning Council of St. Louis 
  • The Missouri Bar
  • Instrumental in the implementation of the trust business of a brokerage-related trust company offering nationwide trust services.
News Releases | August 15, 2019
Husch Blackwell Places 143 Lawyers in 2020 BL Rankings' Best Lawyers in America®

The firm has eight "Lawyers of the Year" and 11 attorneys appearing on the list for the first time.

News Releases | August 15, 2018
Husch Blackwell Places 143 Lawyers in 2019 BL Rankings' Best Lawyers in America®

The Best Lawyers in America® has listed 143 Husch Blackwell attorneys in its 2019 directory. The firm has eight "Lawyers of the Year" and five attorneys appearing on the list for the first time.