Who's the wealthiest man in Sonoma County?

<p>Sonoma County wine mogul Jess Jackson is worth an estimated $1.85 billion, making him the 193rd richest American, according to Forbes magazine. </p><p>Jackson’s fortune is down from $2.4 billion last year, when he was No. 187 on the magazine’s list of the 400 Richest Americans. </p><p>Jackson owns Jackson Family Wines, which includes Kendall-Jackson and other premium wine brands. Sales of upscale wines slipped over the past year as the economic downturn left consumers with less cash in their pockets. </p><p>He was the only Sonoma County resident on the annual list, but two Marin County billionaires made the cut. Filmmaker George Lucas was No. 97 with a $3 billion fortune, while hotel heir Daniel Pritzker was No. 236 with $1.5 billion. </p><p>Microsoft co-founder Bill Gates topped the Forbes list with $50 billion, down $7 billion from last year. Investor Warren Buffet was second with $40 billion.</p>