Former internet executive and Lake County resident Gene Yoon has announced that he’s officially filed his candidacy for the State Senate District 2 seat, currently held by Senator Mike McGuire, who was elected in 2014. His 20-year career in IT and business includes a stint at Google as head of ad integrity. Yoon lives in Lake County, the center of a district that also includes Marin, Sonoma, Humboldt, Mendocino, Trinity, and Del Norte counties.