Aaron G. Weishaar

Biography

Aaron G. Weishaar is a partner in the St. Louis office of Swanson Martin & Bell, LLP. Prior to joining Swanson, Martin & Bell, LLP, Aaron was principal and officer of Reinert Weishaar & Associates, P.C. in St. Louis. 

Aaron represents a wide range of clients, from large national surety companies and international corporations to local businesses, and individuals. His practice primarily emphasizes fidelity and surety bond claims and litigation, trusts and estates, business and commercial litigation and construction law. Aaron has been selected on several occasions to Super Lawyers as a “Rising Star” in Missouri. Aaron is also active in a variety of professional and civic associations including the St. Louis Surety Association, Associated General Contractors of America (ACG) of Missouri, and Regional Union Construction Center. In addition, Aaron is a volunteer advocate for the St. Louis Metropolitan Tribunal in the Archdiocese of St. Louis.

Aaron is a native of the St. Louis area and lives in South St. Louis City in the St. Louis Hills Neighborhood with his wife and three children where they are active in their community.

Practices

General Trial Practice
Construction
Commercial Litigation and Business Disputes
Real Estate Litigation and Transactional Services
Family Law
Insurance
Creditors' Rights, Banking and Bankruptcy
Fidelity and Surety Bond Claims

Memberships & Affiliations

  • ACG of Missouri
    •  Elected Co-Chair, St. Louis Supplier/Service Provider Council, 2011 and 2012
  • American Bar Association Tort and Insurance Practice Section, Fidelity and Surety Law Committee
  • Missouri Bar Association
  • Illinois State Bar Association
  • Surety Association of St. Louis
  • Metropolitan Tribunal of the Archdiocese of St. Louis
  • Regional Union Construction Center
  • Defense Research Institute
    • Chair, Fidelity and Surety Leadership Committee, 2024-2025
    • Vice Chair, Fidelity and Surety Leadership Committee, 2022-2023

Awards

  • Selected for inclusion in Missouri and Kansas Super Lawyers - Rising Stars Edition, 2010-2012, in construction/surety
  • Selected for inclusion in The Best Lawyers in America®
    • Construction Law, 2024

Publications and Presentations

  • Co-Author, “Scope and Enforceability of Arbitration Clauses and Requirements,” The Brief, ABA Tort Trial & Insurance Practice Section, Fall 2018 Vol. 48 No.1
  • Co-Author and Presenter, “Scope and Enforceability of Arbitration Clauses and Requirements,” ABA Tort Trial & Insurance Practice Section, 2018 Fidelity and Surety Law Midwinter Conference, January 2018
  • Presenter, “Missouri Mechanic’s Liens”, BJC Construction 101, September 2017
  • Co-Author and Presenter, “Statutes of Limitation and The Duty of the Surety to Investigate,” Defense Research Institute, Chicago, Illinois, 2015
  • Presenter, "Missouri Mechanic's Liens", AGC St. Louis, Supplier/Service Provider Council, September 2012
  • Co-Author, “Mortgage Broker Bonds: Who are they intended to benefit and what to do when a default is taken against a bond principal,” Defense Research Institute, Chicago, Illinois, 2011
  • Co-Author and Presenter, “Negotiating the Intersection Between the Exceptions to Sunshine Laws and the Duty to Cooperate by Insureds and Bond Principals,” 19th Annual Northeast Surety and Fidelity Claims Conference, Atlantic City, New Jersey, 2008
  • Presenter, “Missouri Mechanic’s Liens”, AGC St. Louis, Supplier/Service Provider Council, August 2008
  • Presenter, “Lien Waivers” AGC St. Louis, Supplier/Service Provider Council, August 2008
  • Co-Author, “Is Munsey Trust Alive? Recent Cases Involving the Payment Bond Surety’s Subrogation Rights,” 18th Annual Northeast Surety & Fidelity Claims Conference, Atlantic City, New Jersey, 2007
  • Co-Author, “Jurisdictional Choices in Bond Litigation,” 17th Annual Northeast Surety & Fidelity Claims Conference, Atlantic City, New Jersey, 2006
  • Co-Author and Presenter, “Construction Lien Law in Illinois,” Lorman Education Services, Fairview Heights, Illinois, April 2006
  • Co-Author and Presenter, “The Use and Misuse of the General Indemnity Agreement,” 16th Annual Northeast Surety and Fidelity Claims Conference, Atlantic City, New Jersey, 2005
  • Co-Author and Presenter, “Suretyship Update: Missouri: Law and Practice Pertaining to Construction Bonds and Other Surety Bonds,” Missouri Bar CLE, 2005
  • Co-Author, “Liquidated Damages: Have the Courts Gone Too Far? Have Upper Tier Contracting Parties Gone Too Far?,” 15th Annual Northeast Surety & Fidelity Claims Conference, Atlantic City, NJ, 2004
  • Co-Author, “Letters of Credit, What are they and what do I do with One?,” 13th Annual Northeast Surety & Fidelity Claims Conference, Atlantic City, NJ, 2002
  • Co-Author, “What is ‘Property’ Under Fidelity Bond Coverage?,” 12th Annual Northeast Surety & Fidelity Claims Conference, Atlantic City, NJ, 2001
  • Contributor, “Named Obligee’s Rights Under the Payment Bond (Are There Any?); Rights and Limitations on the Obligee’s Rights on Exhaustion of Performance Bond Penalties,” 10th Annual Northeast Surety & Fidelity Claims Conference, Iselin, NJ, 1999

News

St. Louis, October 10, 2024
Weishaar Named Chair of DRI Fidelity and Surety Leadership Committee
Swanson, Martin & Bell, LLP Partner Aaron G. Weishaar has been named Chair of DRI’s Fidelity and Surety Committee for 2024-2025. Aaron will lead the Fidelity and Surety Committee after the 2024 DRI Annual Meeting in October in Seattle, Washington.

Chicago, Lisle, Libertyville, St. Louis, Madison County, Indiana, Kansas, August 15, 2024
Swanson, Martin & Bell, LLP Attorneys Named to 2025 Best Lawyers, Ones to Watch Lists
Fifty-six Swanson, Martin & Bell, LLP attorneys were named to the 2025 Best Lawyers in America® and Best Lawyers: Ones to Watch in America® lists. In addition, Partners Michael W. Drumke and Gary C. Pinter were recognized as "Lawyer of the Year" in their respective practice areas.

Chicago, Lisle, Libertyville, St. Louis, Madison County, August 17, 2023
Swanson, Martin & Bell, LLP Attorneys Named to 2024 Best Lawyers, Ones to Watch Lists
Fifty-five Swanson, Martin & Bell, LLP attorneys were named to the 2024 Best Lawyers in America® and Best Lawyers: Ones to Watch in America™ lists.

March 06, 2023
Swanson, Martin & Bell, LLP Sponsors the 2023 DRI Fidelity and Surety Roundtable
Swanson, Martin & Bell, LLP are proud to help sponsor the 2023 DRI Fidelity and Surety Roundtable Meeting and Events and its return to Chicago March 9-10.

October 06, 2022
Aaron Weishaar Named Vice Chair of Fidelity and Surety Leadership Committee
Swanson, Martin & Bell, LLP Partner Aaron G. Weishaar has been named Vice Chair of Defense Research Institute's (DRI) Fidelity and Surety Committee for 2022-2023.

St. Louis, May 21, 2020
Weishaar Authors Chapter in ABA Arbitration and the Surety Compendium
Weishaar's chapter in Arbitration and the Surety focuses on "Scope and Enforceability of Arbitration Clauses and Requirements."

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