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Larry Katzenstein


St. Louis
314 552 6187 314 552 6187 direct
314 552 7187 fax

Larry serves clients in the firm's Private Client Services practice. He is a nationally-recognized authority on estate planning and planned giving, and is an advisor to charitable organizations both locally and nationally.

He is a frequent speaker around the country to professional groups. He appears annually on several American Bar Association-American Law Institute estate planning programs and has spoken at many other national tax institutes, including the Notre Dame Tax Institute, the University of Miami Heckerling Estate Planning Institute, and the Southern Federal Tax Institute. Larry has served as an adjunct professor at the Washington University School of Law where he has taught both estate and gift taxation and fiduciary income taxation. He additionally serves on the American Council on Gift Annuities board of directors.

He is a former chair of the American Bar Association Tax Section Fiduciary Income Tax Committee. He is a fellow of the American College of Trust and Estate Counsel and a member of its Charitable Planning and Fiduciary Income Committees and has served as a member of the advisory board of the New York University National Center on Philanthropy and the Law. He was named the St. Louis Non-Profit/Charities Lawyer of the Year in 2011 and 2015 and the St. Louis Trusts and Estates Lawyer of the Year in 2010 and 2013 by Best Lawyers® (by BL Rankings). He was nationally ranked in the 2009-2022 editions of Chambers USA for Wealth Management (by Chambers & Partners).

Larry is the co-author of the Bloomberg (formerly BNA) Tax Management Portfolio Charitable Remainder Trusts, Charitable Gift Annuities, and Pooled Income Funds. Larry is also the creator of Tiger Tables actuarial software, which is widely used by tax lawyers and accountants, as well as the technical advisor to NumberCruncher software. He has also testified in United States Tax Court on actuarial issues. See Estate of Kenneth L. Lay v. Commissioner, TC Memo 2011-208.


Business Journal Highlights Larry Katzenstein’s Tiger Tables Software

Larry Katzenstein Honored with Estate Planning Lifetime Service Award

Larry Katzenstein talks proposed mortality assumptions on ACTEC Trust & Estate Talk podcast

The Practical Lawyer features Larry Katzenstein in 'Conversation with an expert'

Thompson Coburn attorneys included in Chambers’ 2021 High Net Worth guide

Thompson Coburn attorneys included in Chambers’ 2019 High Net Worth guide

Thompson Coburn attorneys receive high marks in Chambers’ 2018 High Net Worth guide

Larry Katzenstein, Tom Corbett retain high rankings in Chambers’ High Net Worth guide

Tom Corbett, Larry Katzenstein featured in Chambers’ inaugural High Net Worth guide

23 Thompson Coburn attorneys recognized in 2016 Chambers USA

25 Thompson Coburn attorneys recognized in 2015 Chambers USA

Congratulations to our 15 St. Louis ‘Lawyers of the Year’

Saint Louis Legacy Awards honor Dale Knight, Larry Katzenstein, Covenant Place

27 Thompson Coburn attorneys recognized in 2014 Chambers USA

More than 50 attorneys named to 2012 Missouri Bar Pro Bono Hall of Fame

Larry Katzenstein offers charitable organizations guidance on tax fallout of ‘fiscal cliff’ law

Leading philanthropy company names Larry Katzenstein to advisory board

19 Thompson Coburn partners named 2013 St. Louis Lawyers of the Year