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Contact
Email
sam@krystoseklaw.com
Phone
(855) 394-2735
Address
224 N. Phillips Ave., Sioux Falls, SD, 57104, US
Professional
About
Sam Krystosek is a native of the small central Minnesota town of Royalton (pop. 1,242). He learned the value of hard work growing up, working at the family farm and his father's construction subcontracting business. He received his Bachelor of Arts degree in communication from Saint John’s University (Minn.) in 2007. While at SJU, Sam competed as a member of the track and field team, and lived abroad for a semester in Galway, Ireland studying at University of Galway. Sam continued his education at Xavier University in Cincinnati and earned a master’s degree in athletic administration in 2009. Upon graduating from Xavier, Sam followed in the footsteps of many of his family members and served in the U.S. Army as an Infantry Officer for three years, primarily at Fort Benning, Georgia, where he worked as a company executive officer for the U.S. Army Airborne School and the 1-19 Infantry Battalion. After leaving the military, Sam attended law school at the University of South Dakota. Upon graduation, Sam served as a law clerk for the judges of South Dakota’s Third Judicial Circuit, and has been in private practice since 2017. Sam resides in Sioux Falls with his wife, Katie, and their three daughters.
About Probate Law
Probate attorneys guide families through the estate administration process after a loved one passes. They handle court filings, asset distribution, and dispute resolution. Common matters include estate administration, will contests, heir disputes, trust administration.
Credentials
Education
2016 University of South Dakota JD - Juris Doctor 2009 Xavier University M.Ed. - Masters in Athletic Administration 2007 Saint John's University (MN) BA - Bachelor of Arts in Communication
Languages
American Sign Language | English
Recognition & Involvement
Awards
2016 Distinguished Brief, Whittier Law School Juvenile Law Moot Court Competition
Associations
2018 - Present Minnesota State Bar Association Member 2017 - Present South Dakota State Bar Member 2017 - Present Second Circuit Bar Association Member 2017 - 2020 South Dakota Trial Lawyers Association Member
Speaking
2023 Sustaining the Legacy Legal Considerations in Business 2023 Sustaining the Legacy Wealth Transfer Taxes 2023 Sustaining the Legacy Trusts 2023 Sustaining the Legacy Business Structures
Other Probate Attorneys in SD
Updated: May 28, 2026