Gov. Evers Appoints Erica Koxlien as Trempealeau County Sheriff
MADISON — Gov. Tony Evers today appointed Erica Koxlien as Trempealeau County Sheriff. The appointment fills a vacancy created by Sheriff Brett A. Semingson’s retirement. Koxlien will complete the remainder of the unexpired term that ends January 2027.
“Erica Koxlien is a respected law enforcement officer, who has served her community well for a decade,” said Gov. Evers. “She will be a committed and dedicated sheriff for the people of Trempealeau County.”For the last decade, Koxlien has served as a law enforcement officer in the Trempealeau County Sheriff’s Office, first as a patrol officer and then as a detective. Her work has covered a broad array of cases, including investigating deaths, narcotics cases, sexual assault cases, child maltreatment, and financial crimes. During her time with the department, she has developed a youth education program titled “BADGES,” which stands for building alliances, delivering guidance, and educating students. As a representative of the department, Koxlien serves on the recovery court team, the child death review team, and the school critical threat assessment team, and she is the head of the child maltreatment multidisciplinary team.
“Erica Koxlien leads with heart, honor, and a genuine commitment to the people of Trempealeau County, bringing collaborative leadership that strengthens safety, trust, and unity throughout our community,” said Osseo-Fairchild School District Superintendent Lori Whelan.
Koxlien was born and raised in Trempealeau County and lives in Osseo with her family. She holds a bachelor’s degree in criminal justice from the University of Wisconsin–Eau Claire. For the past year, she has also served as an instructor for the Western Technical College Law Enforcement Academy.
“As I assume the role of sheriff, I recognize that effective public safety is achieved through collaboration,” said Koxlien. “I look forward to working closely with our community partners and advancing practices that ensure a safer community for all residents of Trempealeau County.”
A photo of Koxlien is available here.NOTE: This press release was submitted to Urban Milwaukee and was not written by an Urban Milwaukee writer. While it is believed to be reliable, Urban Milwaukee does not guarantee its accuracy or completeness.
Mentioned in This Press Release
Recent Press Releases by Gov. Tony Evers
Gov. Evers Sends Letter Urging Trump Administration to Halt Plans to Rescind 2001 Rule Affecting the Chequamegon-Nicolet National Forest, Emphasizes Potential Environmental Impacts
Apr 21st, 2026 by Gov. Tony EversDuring Earth Week, the governor’s letter highlights the nearly 70,000 acres of land in the Chequamegon-Nicolet National Forest and the surrounding ecosystems that will be left unprotected, slams Trump Administration for failing to respect Tribal sovereignty and treaty rights
Trillion Trees Pledge Update: Gov. Evers, DNR Announce Nearly 12 Million Trees Planted in 2025, Bringing State Over Halfway Toward its Tree Planting Goal
Apr 21st, 2026 by Gov. Tony EversThe governor, DFI, and Edvest 529 continue tree planting efforts through new partnership to give away thousands of free trees to kids and families throughout Wisconsin












