Legal Staff

Staff Matters!

At Rosengren, Kohlmeyer & Hagen Law Office,  it is not just about the lawyers lawyers. The legal assistants and paralegals have a huge impact on how your case progresses. This is why we are dedicated to hiring the absolute best legal assistants and paralegals we possibly can.  We pride ourselves on being able to solve our client’s problems. This includes dedicating a large part of our time to making sure we are properly taking care of our clients and being attentive and responsive to their needs.

Sandy Sieberg

SandySiebergSandy is Chris Rosengren’s paralegal for all workers’ compensation matters.  With over several years of experience she is very knowledgeable and has been a great asset to this division. You can reach Sandy at

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Rosengren, Kohlmeyer & Hagen Law Office Chtd.
150 St. Andrews Court, Suite 110
Mankato, Minnesota 56001
507-625-5000 |

Our firm office is located across from De Groods and Floor to Ceiling in Mankato, Minnesota. We are open 8 am to 5 pm weekdays. Call 507-625-5000, or use the contact form provided below to schedule a consultation with an attorney from our firm.

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Rosengren, Kohlmeyer & Hagen, Law Office Chtd (Roko Law) was founded in 2008 in Mankato, Minnesota. Firm partners, Christopher Rosengren, Jason Kohlmeyer and Thomas Hagen focus their practice the areas of Workers’ Compensation, Family Law and Criminal Law. The primary service areas of Roko Law include: Mankato, Albert Lea, Fairmont, Faribault, New Ulm, Owatanna, Rochester, St. James, St. Peter, Waseca and Worthington. More information about Rosengren, Kohlmeyer & Hagen Law Office Chtd. can be found online at