Susan M. De Groot

Adrienne S. Ehrhardt is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Adrienne S., who practices law in Madison, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adrienne S. is held by other top lawyers in the same geographic and legal practice area.

Mike Crooks is a Shareholder in the firm’s Litigation and Risk Management Practice Group. He focuses his practice on commercial litigation, legal malpractice and other professional negligence claims, accounting malpractice, insurance defense and coverage issues, bad faith litigation, product liability work, premises liability, breach of contract, personal injury defense and third-party recovery. Mike is also an experienced mediator and is frequently called upon to resolve disputes. Mike...

Christopher S. Krimmer is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Christopher S., who practices law in Madison, Wisconsin, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher S. is held by other top lawyers in the same geographic and legal practice area.

My practice emphasizes personal injury, medical and legal malpractice, bad faith insurance claims and business litigation. I have extensive litigation experience in the State and Federal Courts of Wisconsin and have practiced in many courts outside Wisconsin. Prior to becoming an attorney, I was a pharmacist for five years. I love to golf. I'm practicing as much as I can because someday, you never know, I might be playing on the senior tour. My wife and I have three grown children and two you...

Marcus J. Berghahn is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Marcus J., who practices law in Madison, Wisconsin, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcus J. is held by other top lawyers in the same geographic and legal practice area.

I founded our firm in Madison in 1989. It was just me and one legal assistant. We now have three offices in the state with 12 lawyers and 19 great employees. The firm has grown under the premise that we will do our best to help good people in need. Our core values are hard work and honesty, and we are truly do have the most heart and caring for our clients. These values that drive our firm are the same values I learned from my parents growing up in Minot, North Dakota. I want to tell you why ...

Steve Hurley's more than 45 years of practice provides clients with the background necessary to litigate complex cases. Steve is highly regarded throughout the state for his expertise in criminal defense. His persuasive presentation in the courtroom and knowledge of the law make him an effective litigator for civil cases as well. Steve was nominated and elected by his peers to the American College of Trial lawyers. His reputation earns him many referrals from colleagues for both criminal and ...

Michelle Umberger is a partner in the Patent Litigation and Intellectual Property Litigation practices. A registered patent attorney, she has focused her practice exclusively on intellectual property litigation for more than a decade. Michelle manages complex, high-stakes cases involving a wide range of technologies, including patents relating to microprocessors, medical devices, antibody libraries, genetically-engineered plants and mechanical devices. She represents both established internat...

Attorney David Gorwitz advises business clients in all phases of operations from business formation and business planning to succession planning, buy-sell agreements, and mergers and acquisitions. Dave’s experience includes representing corporations, partnerships, and other business entities of all sizes in a wide range of business transactions. He assists in strategic business planning, contract drafting and negotiations, commercial leasing matters, and buying/selling commercial real e...

Tony McGrath is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Tony, who practices law in Madison, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tony is held by other top lawyers in the same geographic and legal practice area.