Mark Diehl Sullivan
Mark D. Sullivan, P.C. • Wilson, WY
Litigation Environmental and Natural Resources Workers Compensation
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Contact
Email
Phone
(866) 950-8630
Address
Wilson, WY, 83014, US
Professional
About Litigation Law
Litigation attorneys represent clients in civil lawsuits, handling all aspects of disputes from filing through trial and appeal. They are skilled advocates in and out of the courtroom. Common matters include civil disputes, business litigation, contract disputes, appeals.
Credentials
Education
1999 Pace University School of Law LL.M - Master of Laws 1997 Pace University School of Law J.D. 1993 Kenyon College BA - Bachelor of Arts
Recognition & Involvement
Publications
2006 New York State Bar Association Journal (cover story) The EPA's New Clean Air Rules
Associations
2010 - Present Wyoming Trial Lawyers Association 2006 - Present Teton County Bar Association
Other Litigation Attorneys in WY
Updated: May 25, 2026