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Comm. William Gust

Probate Commissioner-St. Louis County Court


William Gust is the Probate Commissioner for St. Louis County. Comm. Gust regularly hears a variety of contested probate matters including: adult guardianships, minor guardianships, contested matters relating to decedent estates, trust matters, and mental health civil commitment matters. He also presides over the administration of probate matters.

Prior to his time on the bench, Comm. Gust was a shareholder at an Am Law 100 law firm. While in practice he maintained both a local and national practice. He tried and litigated cases in various parts of the United States, ranging from St. Louis County Probate Court to Delaware Chancery Court. His expertise included everything from contested probate matters to complex civil matters.