Biography

Jack Chassaing advises clients on a wide variety of corporate disputes, including toxic tort, asbestos and insurance-related disputes. He is adept at handling all phases of litigation, including preparation for jury trials, and helping develop fact-specific defense strategies for each case.

Jack has managed hundreds of matters for toxic tort and general litigation clients and has conducted depositions, negotiated in mediations, and drafted responsive pleadings and dispositive motions in asbestos-related litigation.

Services and Industries

Background

Prior to joining Armstrong Teasdale, Jack was an associate at other St. Louis area law firms.

Education

  • Southern Illinois University School of Law  (J.D., 2015)
    • SIU Leadership Forum (2014)
    • Phi Alpha Delta
    • Student Bar Association
    • SIU School of Law Self-Help Legal Center, Law Student Volunteer
  • University of Missouri  (B.S., 2012)
    • Business Administration

Admissions

  • Missouri
  • Illinois

Professional Activities

  • CyberUp, Board Member

Charitable and Civic Involvement

  • The Ascension Charity Classic, Volunteer Leader (2021-present)
  • Mizzou Alumni Association, Scholarship Selection Advisor (2017-present)

Accolades

  • Southern Illinois University School of Law Pro Bono Award
  • The Best Lawyers in America®, Ones to Watch (2021-present)
  • Missouri/Kansas Super Lawyers®, Rising Star (2022-present)
Contact Us
  • Worldwide
  • Chicago, IL
  • Denver, CO
  • Edwardsville, IL
  • Jefferson City, MO
  • Kansas City, MO
  • Las Vegas, NV
  • Miami, FL
  • New York, NY
  • Philadelphia, PA
  • St. Louis, MO
  • Washington, D.C.
  • Wilmington, DE
Worldwide
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Chicago, IL
100 North Riverside Plaza
Suite 1500
Chicago, IL 60606-1520
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Chicago, Illinois
Denver, CO
4643 S. Ulster St.
Suite 800
Denver, CO 80237
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Denver, Colorado
Edwardsville, IL
115 N. Second St.
Edwardsville, IL 62025
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Edwardsville, Illinois
Jefferson City, MO
101 E. High St.
First Floor
Jefferson City, MO 65101
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Jefferson City, Missouri
Kansas City, MO
2345 Grand Blvd.
Suite 1500
Kansas City, MO 64108
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Kansas City, Missouri
Las Vegas, NV
7160 Rafael Rivera Way
Suite 320
Las Vegas, NV 89113
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Las Vegas, Nevada
Miami, FL
355 Alhambra Circle
Suite 1200
Coral Gables, FL 33134
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New York, NY
7 Times Square, 44th Floor
New York, NY 10036
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Philadelphia, PA
2005 Market Street
29th Floor, One Commerce Square
Philadelphia, PA 19103
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Philadelphia, Pennsylvania
St. Louis, MO
7700 Forsyth Blvd.
Suite 1800
St. Louis, MO 63105
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St. Louis, Missouri
Washington, D.C.
1717 Pennsylvania Avenue NW
Suite 400
Washington, DC 20006
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Wilmington, DE
1007 North Market Street
Wilmington, DE 19801
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Wilmington, Delaware