Phone: (618) 277-1000
Fax No.: (618) 233-1637

Court/Bar Admissions

  • Illinois, 1973
  • United States Court of Appeals for the Seventh Circuit, 1978
  • United States District Court, Southern District of Illinois, 1977
  • United States Supreme Court, 1977


  • Southern Illinois University (B.A., 1970)
  • St. Louis University (J.D., 1973)

Professional Associations & Memberships

  • St. Clair County Bar Association (President 1998)
  • Illinois State Bar Association
  • National Association of Railroad Trial Counsel
  • Defense Research Institute
  • Illinois Association of Defense Trial Counsel
  • American Board of Trial Advocates

Donald J. Dahlmann is the managing partner of Walker & Williams, and has been a practicing trial attorney for more than 40 years. He began his career with the firm in 1975. Mr. Dahlmann’s practice focuses on complex civil litigation on a national scale. He specializes in the areas of insurance, product liability, and toxic tort defense, particularly asbestos, benzene, and silica litigation in Madison County, St. Clair County, and surrounding areas in Southern Illinois.

Mr. Dahlmann has been retained as counsel of record in asbestos litigation matters since the 1980’s. As National and Regional counsel for several manufacturers, distributors, and contractors throughout the United States, he has managed and supervised thousands of claims. In that capacity, he advises his clients regarding national strategy, asbestos litigation trends, and conducts negotiation with opposing counsel.

Having tried an extensive number of jury cases, Mr. Dahlmann is an experienced litigator in the areas of asbestos, product liability, and insurance defense. His trial experience has been at the state and federal court in Illinois and Missouri, including St. Clair, Madison, and other Southern Illinois Counties.

Practice Areas

  • Insurance Law
  • General Liability
  • Environmental Liability
  • Mass Tort
  • Toxic Tort Litigation
  • Asbestos Litigation
  • Products Liability
  • Railroad
  • Construction Defect
  • Products and Completed Operations