Jill Techel is a graduate of the University of North Dakota who came to the City of Napa in 1971. Her first official position was as an appointee to the Napa Parks and Recreation Commission, and she later became the first female chairperson for that group. She was later elected to the Napa Valley Unified School District Board, serving a total of six years, including three years as president.
In 1996, she was appointed to fill a vacancy on the City Council. After completing that term, she ran for a seat and was elected. Following two four-year terms on the Council, she was elected mayor of Napa in March 2005 and ran unopposed for a second term in November 2008.