person
Co-founder of Google and former president of Alphabet, now involved in shaping the company's Gemini AI models.
No evidence-backed relationships are recorded.
Sergey Brin has given $102 million to defeat California's Prop 40, a one-time 5% billionaire tax that could cost him about $13 billion. The state's $100 billion estimate depends as much on how many of its 200 billionaires stay resident as on the November vote.
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PPIC's September survey puts Prop 40 at 52%, Prop 41 at 51% and Prop 42 at 54%, and Prop 40 takes effect only if it outpolls both in yes votes. Every gap between the three sits inside a 3.8-point margin of error.
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A letter from six Nobel economists asks Californians to treat Proposition 40 as the start of a movement other states, Washington and other countries copy. The vote is in November, and the state's own pollster has supporters behind.
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California's Proposition 40 would take a one-time 5% of billionaire net worth, and at that rate the $29 billion Fortune estimates the measure loses to departures implies about $580 billion of net worth has already changed address.
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Business Insider, citing eight current and former employees, reports that Google's cofounder holds no executive title while making technical calls on Gemini from a desk the new DeepMind SVP shares. Google declined to comment.
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The San Francisco Democratic Party broke with its state party 17-4 to oppose Prop 40, but the six billionaires who have already ended their California residency are the only votes on this measure that are already counted.
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Proposition 40 would take 5% once from anyone worth over $1 billion. August polling puts it at 48% among likely voters and 75% among 18-to-29s. The composition of the November electorate is the only number that decides it.
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The CPA body opposes Proposition 40 on administrability grounds, then endorses Proposition 42, which would bar the tax outright. Approval votes, not a majority, settle it.
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A 5% levy on about 200 people was costed against wealth that has already moved. Fortune counts roughly $29 billion gone, and the two men at the top were 28.5% of the base.
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Public Citizen counts $517 million of corporate spending on House and Senate races in 15 months, with crypto, tech and gaming supplying at least $294 million of it.
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John Doerr put in $7.5 million and Chris Larsen $10 million against a one-time 5% wealth tax. Measured against what the measure would cost them, that is cheap insurance.
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Gemini 3.5 Pro is two months past its promised June date with no explanation, Jeff Dean has left after 27 years, and OpenAI's valuation held flat at $852bn through a $7bn buyback.
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California's billionaire tax faces a nine-figure defense built as ballot engineering: two counter-measures that only have to outpoll Prop 40, not beat it head-on.
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