Jeff Foster

Jeff Foster is the Democratic candidate for Wisconsin State Senate District 23 in the November 3, 2026 general election, running against incumbent Republican Romaine Quinn.[1][2] A retired dairy farmer and social worker from Dunn County, he ran for Wisconsin State Assembly District 67 in 2024.[1][3]

Jeff Foster was born in Wisconsin, graduated from Hamilton High School, and earned a bachelor's degree from the University of Wisconsin-Milwaukee in 1979 and a graduate degree from the University of Wisconsin-Oshkosh in 1988.[1] In a Ballotpedia survey, he said he worked in child protective services as a social worker on the Menominee Reservation before buying a farm in Dunn County, where he became the sixth person in Wisconsin to milk sheep commercially.[3] He said he co-founded the Wisconsin Sheep Dairy Cooperative and served as its first president, and later worked for and retired from Xcel Energy.[3]

Foster was the Democratic nominee for Wisconsin State Assembly District 67 in 2024 and lost the general election to incumbent David Armstrong.[1] He said in the survey that he ran for Dunn County Supervisor in 2026 and has been a delegate to the Wisconsin 3rd Congressional District Democratic Convention and the Wisconsin State Democratic Convention.[3] He defeated Richard Pulcher in the Democratic primary for Wisconsin State Senate District 23 on August 11, 2026.[1]

Foster listed freedom, family and community as the themes of his campaign in the survey, citing reproductive freedom, voting access, protection from gun violence, high-quality child care and public education, paid medical leave, and affordable health care.[3] He has been affiliated with the Wisconsin Farmers Union.[1]

Researched from the cited sources on 2026-10-21. Not yet independently fact-checked.