Steven R. Jensen (born March 18, 1963) is the chief justice of the South Dakota Supreme Court since 2021. He was appointed as an associate justice by Governor Dennis Daugaard in 2017.  He became the 50th member of the court, succeeding Justice Lori S. Wilbur.

Early life and education
Jensen, the son of Raymond and Dorsie Jensen, was raised on a homestead farm outside of Wakonda, South Dakota. Following his graduation from Wakonda High School. Jensen attended Bethel College in St. Paul, Minnesota, and graduated from there in 1985. During the summer of 1984, he worked as an intern for U.S. Senator Chuck Grassley. During his internship with Grassley, Jensen decided to switch his career path from farming to law. His Juris Doctor degree was conferred by the University of South Dakota in 1988.

Early Legal career
Jensen served as a judicial law clerk for Associate Justice Richard W. Sabers of the South Dakota Supreme Court.  In 1989, he started working at the Crary Huff Law Firm in Sioux City, Iowa. Jensen practiced for 14 years in both South Dakota and Iowa, handling civil litigation. He was an attorney at Crary Huff until 2003.  At that time he was appointed to the First Judicial Circuit Court of South Dakota by then-governor Mike Rounds, serving until 2014.  He was Presiding Judge of that circuit from 2011 to 2014.

South Dakota Supreme Court
Jensen was appointed as an associate justice to the South Dakota Supreme Court in November of 2017. In June 2020, it was announced that Jensen was selected to replace David Gilbertson as the next Chief Justice of the South Dakota Supreme Court. As Chief Justice, Jensen manages the operations of the state judicial system and its nearly 600 employees and $58 million operating budget. He assumed office in January 2021.

As Chief Justice, Jensen has secured pay raises for court staff, including judges, and improved security practices at the state's 66 county courthouses. Jensen also established an Indigent Defense task force to improve the state public defense practices.

Jensen's professional affiliations including his service as chairman of the Unified Judicial System’s Presiding Judges Council and president of the South Dakota Judges Association.

Amendment A Ruling
On April 28, 2021, the South Dakota Supreme Court heard arguments in Miller v Barnett, challenging Amendment A passed in the state in 2020, which legalized recreational and medical marijuana. The challengers argued that the Amendment violated the state's single-subject ballot measure provision and was a "revision" (which would require a constitutional convention) rather than an amendment.

Jensen wrote the 4-1 majority opinion for the court striking down Amendment A. In the opinion, he stated, "It is clear that Amendment A contains provisions embracing at least three separate subjects, each with distinct objects or purposes," referring to the topics of recreational marijuana, medical marijuana and hemp.

Personal life
Jensen married Sue Nelson(sister of former South Dakota Secretary of State Chris Nelson) in 1990. They have one daughter, Rachel; two sons, Ryan and Andrew; and one son-in-law, Blake Roberts.

References 

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1963 births
21st-century American judges
Bethel University (Minnesota) alumni
Chief Justices of the South Dakota Supreme Court
Justices of the South Dakota Supreme Court
Living people
People from Viborg, South Dakota
University of South Dakota School of Law alumni