Leo Chmielewski


Leo is committed to responding to the needs of clients and delivering positive results. Clients depend on him to us his experience and client-centered approach to help them navigate concerns related to product liability and allegedly toxic substances. Leo has defended claims across the nation and possesses the experience and knowledge to defend clients no matter where their problems arise. Leo has significant experience in all phases of litigation, including trial. This experience includes managing the caseload of major manufacturers in mass tort cases throughout the nation including defense of claims, discovery, negotiations, and trial.


Asbestos Litigation
Product Liability
Toxic Tort Litigation

Memberships & Affiliations

  • Bar Association of Metropolitan St. Louis
  • American Bar Association


  • Selected for inclusion in The Best Lawyers in America®
    • Product Liability Litigation – Defendants, 2021 & 2024


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.

October 12, 2022
Five Partners Join Swanson, Martin & Bell, LLP
Swanson, Martin & Bell, LLP welcomes five partners to the firm.

  • Bar Admissions
  • Education
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