Dianne is a member of the Illinois Bar, the Pennsylvania Bar, and the New Jersey Bar. Dianne is admitted to practice before the United States Supreme Court and the Northern District of Indiana. She is a Certified Mediator for the Circuit Court of Cook County, and is an Arbitrator for the Circuit Court of Cook County. Dianne is also a FINRA arbitrator.

Dianne is a member of the Chicago Bar Association, the Illinois Bar Association, the American Bar Association, the Appellate Lawyers Association, the National Employment Lawyers Association-National, the National Employment Lawyers Association-Illinois, and the National Pension Lawyers.