William D. Ellison is a senior attorney at Michaels, Schulwolf & Salerno.  Prior to joining Michaels, Schulwolf and Salerno, Mr. Ellison practiced at Lord Bissell & Brook (1988-2003) and in the Kansas City, Missouri office of Brown & James, P.C. (2004). Mr. Ellison has substantial nationwide experience in complex insurance coverage matters, including numerous matters arising out of environmental contamination, asbestos, toxic torts and aviation. He has served as chairman of several joint defense groups established by multiple insurers in large high-profile cases and has conducted successful trials and appeals. Mr. Ellison has significant experience in coordinating, supervising, and implementing litigation strategies and trial tactics as well as in negotiating and implementing favorable settlement agreements.

Mr. Ellison’s practice has also included additional experience in business litigation, and he is also an experienced defense litigator, having represented numerous parties either directly or on behalf of their insurers against a wide variety of claims.

Mr. Ellison received his J.D. from Northern Illinois University in 1988, where he received several academic awards and graduated magna cum laude. Before practicing law, Mr. Ellison was a broadcaster for a National Public Radio affiliate and an educator.

Insurance Counseling

Mr. Ellison has counseled numerous clients in respect of coverage issues, claim valuation, and reserving practices. He is familiar with insurance principles pertaining to third-party, first-party and reinsurance claims and has significant knowledge of legal trends and developments in multiple jurisdictions.

Presentations and Publications

Jan Michaels, William Ellison and Sridevi Krishnan, “The Avoidable Evils of ‘All sums’ Liability for Long-Tail Insurance Coverage Claims,” 64 U. Kan. L. Rev. 467 (2015).

William D. Ellison Senior Attorney 312.428.4741 wellison@msslawpc.com

William D. Ellison
Senior Attorney


  • Northern Illinois University, J.D., 1988 (magna cum laude)

Bar Admissions

  • Illinois Supreme Court
  • Missouri Supreme Court
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Western District of Missouri
  • U.S. District Court for the District of Kansas