Karen Hanson Riebel


Karen Hanson Riebel concentrates her practice in the areas of securities and antitrust litigation. She has litigated a number of complex class action matters and represented numerous pension funds and other institutional investors in cases involving corporate fraud.

Ms. Riebel spent seven months in Anchorage, Alaska, in 1994, as a member of the trial team that secured a jury verdict for punitive damages in the amount of $5 billion for a mandatory punitive damages class in In re The Exxon Valdez, Case No. A89-0095-CV (D. Alaska). For their efforts, Ms. Riebel and the other members of the trial team were awarded the Trial Lawyers’ For Public Justice Trial Lawyers of the Year award in 1994. Ms. Riebel also has been extensively involved in the processing of over 50,000 claims filed by class members in the litigation.

Representative Cases


Professional Associations

Ms. Riebel was recently elected as an officer of the National Association of Shareholder and Consumer Attorneys (NASCAT). She is also a member of the Federal Bar Association.

Civic Associations

Karen Hanson Riebel

Lockridge Grindal Nauen P.L.L.P.
Suite 2200
100 Washington Avenue South
Minneapolis, Minnesota 55401-2159

Practice Areas


Boston University School of Law, 1991

Bar Admissions

1991, Minnesota

Court Admissions

Minnesota; U.S. District Court, District of Minnesota; Eighth Circuit Court of Appeals