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Biography of Margie Mohler, Mayor of Yountville

Marjorie Mohler - NVTA Director and Mayor of the Town of YountvilleMargie Mohler was elected Mayor of the Yountville Town Council in November 2022.

She was first elected as a Yountville Council Member in 2008 and was re-elected in 2012, 2016, and 2020. Margie has been an active Commissioner of the NVTA Board from 2008 – 2014 and again from 2020 to the present.

Margie’s educational background includes a B.A. in microbiology from the University of Kansas, followed by graduate work at the University of Kansas Medical Center. Her professional journey led her to the University of California, Riverside in 1977, and later she accepted a position at Genentech, Inc. in 1984. Throughout her tenure at Johnson & Johnson, Margie continued her impactful work in drug development, focusing on critical diseases.

In 1999 Margie relocated to Yountville, where she founded Ciencia Group, LLC —a consulting firm specializing in drug development for the pharmaceutical industry.

Email: mmohler@yville.com

Biography of Don Williams, Mayor of Calistoga

Don Williams - NVTA Director and Mayor of CalistogaUntil I moved to Calistoga in 1974, I lived in the center of San Francisco. I’m quite familiar with the City and have a native’s strong sense of how a small, semi-rural town like Calistoga must contrast with the urban life to maintain its special identity.

In college I earned a BA in mathematics and a master’s degree in English literature. My education continues still — with an attitude of honest, open inquiry about what I don’t know. I like to ask: “What is really going on here?”  “Does this proposal enlarge or diminish us?”  “What alternative approaches might serve us better?”

That critical curiosity served me well in my working career in two different fields, construction and education. I operated my wood floor business in Calistoga for 30 years, and grew familiar with countywide concerns from my experience with a diverse cross section of Napa Valley residents. For 19 years I also taught math classes at Napa Valley College.

Email: dwilliams@ci.calistoga.ca.us

Biography of Mark Joseph, American Canyon City Council

Mark Joseph - NVTA 2024-25 Chair and American Canyon City CouncilmemberFormerly the Finance Director and City Manager for the City of American Canyon, Mark Joseph was elected to the City Council in 2010. His number-one priority is addressing traffic issues, but reducing greenhouse gas emissions comes in close second. Mark is passionate about renewable energy generation, increased energy efficiency in homes and businesses, and speeding up the community’s transition towards electric vehicles.

In addition to serving on several local and regional committees related to the City Council, Mark also spends time volunteering with the American Canyon Arts Foundation and the local Kiwanis Club. He frequently volunteers at City events as well. When he can’t donate his time, Mark makes it a priority to support community groups and events through other avenues such as monetary sponsorships.

Two years after American Canyon’s incorporation, Mark was hired as the City’s Finance Director in 1994. In 1997, he was appointed as City Manager and remained in that position until 2006. He retired as Finance Director with Suisun City in 2011. Mark and his wife, Cheryl, have two adult children and five grandchildren.

Email: mjoseph@cityofamericancanyon.org

Biography of Boardmember Scott Sedgley, Mayor of Napa

Scott Sedgley - NVTA Director and Mayor of NapaScott was raised in Napa, graduating from Napa High School in 1970. He completed a four-year apprenticeship in carpentry, spending 13 years as a union carpenter. His next opportunity and challenge was working for the Napa Fire Department. Starting as a Reserve Firefighter and then to permanent, working 32 years with the department. He retired as a Truck Captain in 2011.

Scott was elected to the Napa City Council in 2012 and re-elected in 2016. Following a successful campaign in 2020, Scott became Napa’s 25th Mayor since its incorporation in 1872.

Mayor Sedgley’s interest in local history has him serving on the Boards of the Napa Valley Opera House, Napa Valley Historical Society, and the Tulocay Cemetery.

Previously, Scott served on the city’s Parks and Recreation Advisory Commission, and spent nine years on the Napa Valley Unified School District Board.

Scott is a member of the Native Sons of the Golden West, Napa Elks Lodge, Napa Kiwanis Club, Napa Moose Lodge, Napa County Landmarks, Land Trust of Napa County and the Sierra Club.

Scott and his wife Linda have two grown children, two grandchildren and feel fortunate in having their entire family working and living in Napa.

Email: ssedgley@cityofnapa.org