Matthew J. Rossiter focuses his practice on fiduciary litigation, civil litigation, estate planning and probate administration, including will and trust contests. He has tried cases throughout Missouri, representing individual trustees, banks, beneficiaries, personal representatives, and claimants in all areas of estate and trust administration. He has represented business owners and individuals in a diverse range of civil litigation matters.
From 2014 to 2018 Matt has been named one of the top 50 lawyers in St. Louis by Missouri & Kansas Super Lawyers Magazine.
In 2011, Matt was elected by lawyers in St. Louis County to serve a six year term on the Twenty-First Circuit Judicial Commission.
In 2005, Matt received the Outstanding Young Lawyer Award from the St. Louis County Bar Association. He has argued before the Missouri Court of Appeals and the United States Court of Appeals for the Eighth Circuit. He is a frequent speaker at seminars on fiduciary litigation. Matt is a member of the Steering Committee for the BAMSL Probate and Trust Section and is a past chair of that section. He is a founder of the annual Fiduciary Litigation Seminar sponsored by BAMSL, and has presented or moderated since 2006. Matt has been published in The St. Louis Bar Journal (Representing Claimants in Probate Estates: Bad Things Can Happen to Good Lawyers. Fall, 2003). In addition, he is a member of the Lawyers Association of St. Louis, the St. Louis County Bar Association and the Illinois State Bar.
Matt received his undergraduate degree in business administration/finance from Marquette University in Wisconsin, and his law degree from Saint Louis University School of Law. Matt lives in Richmond Heights with his wife Maia and their four children.