Here’s another marijuana-in-politics first: A marijuana activist is now mayor of a city.

This week, the Sebastopol City Council selected Robert Jacob – the founder and executive director of Peace in Medicine, two licensed medical marijuana dispensaries – as its mayor. He is believed to be the first dispensary operator to serve in an elected official capacity in local, state or federal government.

It’s hardly a surprise in town, where Jacob began serving on the city’s Planning Commission in 2011, then was elected to City Council in 2012. He was its vice mayor before getting the top job this week.

Jacob has worked to create statewide dispensary regulations as well as help craft local rules in Napa, Sacramento, San Jose, and Stockton. The North Bay Business Journal included Jacob in its annual listing of ‘Forty Under 40