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Strong Representation And Assistance After Serious Injuries

At Walsh & Gaertner, our goals extend beyond simply getting you a good settlement. We also care about helping you move forward with your life, which means aiding you in getting the medical care that you need. Since our founding in 2000, we have successfully assisted more than 10,000 clients with their injury cases. We employ sincerity and compassion in each case that we take on, and our distinction as a caring law firm is one that we proudly embrace.

Our office is located in the heart of downtown St. Paul, and we are ready to hear your story. Our venerable local presence means that we can help you find the medical providers that are convenient for you as you begin your journey to recovery.

Contact us today if you need legal assistance with any of the following:

  • Car accidents in Minnesota and Wisconsin
  • Injuries to children
  • Day care negligence cases
  • Dog bite cases
  • Slip and falls
  • Wrongful death and catastrophic, life-changing injuries
  • Medical malpractice

Walsh & Gaertner welcomes attorney John T. Siegler. John and his team help businesses collect outstanding accounts receivables from suppliers. They do this quicker and more efficiently than credit agencies because they start with actionable court documents. Their contingency-fee basis is also more competitive than what collection agencies charge, providing great value to their customers and expedited collections. Call 651-317-8742 today to arrange your free initial consultation.

Attorney Gregory J. Walsh

In his career as a civil trial lawyer Greg has tried over 30 jury/bench trials, handled hundreds of arbitrations and resolved even more cases through mediation. A creative and inquisitive mind combined with a naturally competitive spirt propelled Greg to be named a Super Lawyer by his peers in the legal community after only his third year in practice ( Greg has continued to maintain the Super Lawyer recognition over the course of his career. In 2006 Greg gained membership into the Million Dollar Advocates Forum ( for his work on behalf of a teenager who was significantly injured in an automobile collision. Of all the accolades and awards Greg has received over the years he is most proud of Walsh & Gaertner being named “Best Law Firm in St. Paul in 2017.” This is a testament to the hard work, dedication and passion the attorneys and staff at Walsh & Gaertner bring to the office each and every day.

Greg was admitted to the Minnesota State Bar Association and the United States District Court of Minnesota in 1999. He obtained his law degree from William Mitchell College of Law, now Mitchell-Hamline School of Law ( and received his undergraduate degree from the University of St. Thomas in 1990 (

Attorney Mark Gaertner

Bar Admissions:

  • Minnesota
  • Wisconsin
  • U.S. District Court District of Minnesota


  • William Mitchell College of Law, St Paul, Minnesota
    • J.D.
  • Marquette University, Milwaukee, Wisconsin
    • B.S.
    • Major: Accounting

Professional Memberships and Achievements:

  • Minnesota Association for Justice, Member
  • Minnesota State Bar Association, Member
  • American Association for Justice, Member
  • Ramsey County Bar Association, Member
  • American Arbitration Association, Panel of Arbitrators

Attorney Clifford J. Knippel

With over 43 years of legal experience, Cliff is dedicated to utilizing his wealth of knowledge to achieve the best possible outcome for each of his clients. His record of success speaks volumes. He has won large settlements for clients in medical malpractice, product liability and automobile negligence cases in Minnesota, Iowa and Wisconsin.

He won the first ever medical malpractice case against the Mayo Clinic in Rochester, Minnesota. In separate, successfully concluded litigation, he helped make anesthesia machines safer for patients. A true pioneer in his practice area, Cliff’s professionalism, diligence and positivity ensure his clients feel informed and cared for throughout the duration of their case.

Attorney John Thomas Siegler

Mr. Siegler has a nationwide practice in the areas of civil litigation and collections. He is admitted in Minnesota, New York, and the District of Columbia. Mr. Siegler is also admitted in the Supreme Court of the United States as well as  the Federal  Appellate Courts in the United States and  has argued cases in the 3rd and 9th Circuit Court of Appeals.

For over 25 years, John has been helping corporations and commercial entities maximize their account receivable recoveries and reduce litigation exposure. The importance of understanding a client’s business  its performance in commerce and adjusts to aide efficiency and growth in the future is central to the expertise he brings to commercial litigation and collections.

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