Our Team

Lee Schoenbeck


Lee is certified as a Civil Trial Specialist by the National Board of Trial Advocacy. Less than ten attorneys in South Dakota have achieved this designation. To be certified in this specialty, the attorney must meet rigorous requirements for jury trial experience, pass a written exam, and pass a peer review, which is done by confidential references from other attorneys and from judges within the state.

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Lee grew up in Webster, South Dakota. He practices primarily in the areas of personal injury litigation, insurance litigation, commercial litigation, estate planning litigation, and professional negligence. In an insurance company bad faith case, Lee obtained a $2.4 million verdict against Nationwide Insurance from a Day County jury. In an insurance fraud case, Lee obtained a verdict of $559,507.20 from a Roberts County jury. In an underinsurance suit, Lee obtained a verdict of $600,000 from a Marshall County jury. All three verdicts were the largest in the history of each county.

Lee Schoenbeck is a Civil Trial Specialist Certified by the National Board of Trial AdvocacyLee is a 1980 Augustana College graduate and a 1984 graduate of the University of South Dakota School of Law. Lee currently serves as head of the State Senate.  He’s served as the State’s Attorney for Day County from 1985 to 1989, the Senator for northeastern South Dakota in 1995 and 1996, House member from Watertown in 2015 and 2016, and from 2019 to the present.  On two occasions, the Senators have elected him to serve as the head of the State Senate.

Lee is licensed to practice law in the State of South Dakota, the Federal District Court for the District of South Dakota, and the Eighth Circuit Court of Appeals. He is a member of the South Dakota Trial Lawyers Association (SDTLA).

Lee is active in the Catholic Church. Lee has served as Chairman of the Catholic Community Foundation for Eastern South Dakota, and Treasurer of the Immaculate Conception School Foundation Board. He also is involved with many outdoors and conservation groups and is an avid pheasant hunter.

For over 20 years, Lee was a regular guest lecturer at the Insurance Law class at the University of South Dakota.  His lectures focused on the intricacies of insurance litigation, and how to prepare and handle litigation with insurance companies.


Joe Erickson


Joe grew up and graduated from high school in Dell Rapids, South Dakota. After receiving his undergraduate degree at the University of South Dakota’s Beacom School of Business in 2014, Joe continued his education in Vermillion and graduated from the University of South Dakota School of Law with honors in 2017. While in law school, Joe was a member of the Moot Court Board, participated on the Trial Team, and was the treasurer of the Student Bar Association.

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After law school, Joe served as a law clerk for the First Judicial Circuit of the State of South Dakota, working primarily from Yankton, South Dakota. The clerkship was a great tool for Joe to expand his knowledge of the law, trial advocacy, and the workings of the judiciary.

Following his clerkship, in 2018 Joe and his family moved to Watertown, and Joe began working at Schoenbeck Law, PC.

Joe is admitted to practice law in South Dakota in both State and Federal court. Since beginning his practice, Joe has argued multiple cases to the South Dakota Supreme Court and represented his clients in jury trials and court trials.

In 2020 and 2021, the South Dakota Trial Lawyers Association (SDTLA) elected Joe to serve on the group’s Board of Governors. In 2020, the SDTLA awarded Joe with a “Toast of the Trial Lawyers” for his efforts on behalf of the group.

Outside of spending time with his family, Joe enjoys all of South Dakota’s outdoor activities, including pheasant hunting with his dogs, deer hunting, golfing, and fishing local lakes and the Missouri River.


Karen J. Armstrong, PP, PLS


After graduating from Webster High School and the legal secretarial program at Watertown Business University, Karen moved to Minneapolis. For the next two decades, she worked at three downtown law firms: Ogurak Law Office; Hvass, Weisman & King, Chartered; and Schwebel, Goetz & Sieben, P.A.

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After her father’s death in 1995, Karen moved back to Webster in 1996 to be near her mother. She worked at Schoenbeck Law from 1996 to 2004 as a legal secretary. In 2004, Karen moved to Belle Fourche, South Dakota, and worked at the Barker Wilson Law Firm. While there, she obtained her Professional Legal Secretary and Professional Paralegal certifications from NALS. In 2007, Karen moved back to the Webster area and worked at Consolidated Power Producers, Inc., and Dakotacare before returning to Schoenbeck Law in 2010. Karen and her family moved to Watertown in 2012.

Karen works mainly with personal injury cases, and is the only paralegal to have presented at a South Dakota State Bar seminar on this topic. She is a member of the South Dakota Paralegal Association and has served on the Newsletter Committee since 2013, authoring the publication’s “Grammar Check” section. Karen was nominated by her peers to receive the 2013/2014 SDPA Member of the Year award.

Karen is married and has one daughter, one stepdaughter, one stepson, six grandchildren, and one great granddaughter. In her spare time, she enjoys quilting, gardening, music, camping, and reading.

After a 40-year career in the legal field, Karen is semi-retiring to a 3-day week starting in January 2022. More time to pursue those simple pleasures in life!


Jennifer X. Frederick, CP


Jen graduated from SDSU in 2001 with a Bachelor’s Degree in Sociology. She spent over twelve years with Spears Law Office, PC, during which she earned the “Certified Paralegal” designation from NALA, and assisted with a successful circuit judge campaign.  In 2015, she worked a short time at the Law Office of Ronald Frauenshuh, before accepting a position with Schoenbeck Law, PC, where she works mainly on issues involving professional negligence, commercial, insurance, and estate disputes. 

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Jen joined the South Dakota Paralegal Association (SDPA) in 2007, and was an inaugural member of SDPA’s 360⁰ Leadership Academy.  In 2011, Jen was awarded by her peers with the SDPA Outstanding Member of the Year, and she has remained active in the association, serving as President and on various committees.  Jen enjoys writing and has authored several legal articles for publication in SDPA’s newsletter, the Reporter.

Away from the office, you’ll find Jen and her husband, Mark, RVing and gardening in the summer, doing DIY projects, and spending time with their daughter, son-in-law, and precious grandsons.

Taylor Hageman


Taylor, a graduate from Lake Preston High School, attended the University of Sioux Falls majoring in Elementary Education and Spanish. Following her post-secondary education, Taylor moved back to Lake Preston in 2014 and was employed at Wilkinson & Schumacher Law Firm in DeSmet. In 2017, Taylor relocated to the Watertown area where she worked at Green Roby Oviatt LLP. In 2021, she went to work in the Codington County State’s Attorney’s Office, from there she joined Schoenbeck & Erickson PC in 2023.

Outside of the office you can find her coaching and judging competitive cheerleading, spending time at the lake, and visiting the dog park with her goldendoodle, Lemon.

Ashley Bandemer

Administrative Assistant

Ashley started at Schoenbeck & Erickson, PC in September of 2023 as the Administrative Assistant.

Ashley grew up and graduated in Glencoe, Minnesota. Ashley continued her education at North Dakota State University, where she received her undergraduate degree in Marketing.

After graduation, Ashley used her marketing degree as an Account Executive for Metro Sales Inc. in Fargo, North Dakota. She worked there for two years before starting at Schoenbeck & Erickson, PC.

Ashley and her family made Watertown their home in 2023. Outside of spending time with family and friends, Ashley enjoys gardening, camping, and traveling.