Governor Gavin Newsom is calling for a federal tax on billionaires after failing to stop a California wealth tax from reaching the November ballot, setting up a high-profile test of whether voters will back one of the nation’s most aggressive efforts to tax the rich.

Governor Gavin Newsom is mounting a last-ditch pressure campaign to stop a proposed California billionaire tax from ever reaching voters.

San Francisco voters rejected a union-backed ballot measure to raise taxes on large corporations doing business in the city, a win for billionaires who argued that the levy would harm the city’s economic recovery.

Google co-founder Sergey Brin is continuing to push deeper into California politics by donating to a group that opposes a proposed tax hike on businesses with highly-paid executives in San Francisco.

Google co-founder Sergey Brin is continuing to push deeper into California politics by donating to a group that opposes a proposed tax hike on businesses with highly-paid executives in San Francisco.

Serial Silicon Valley entrepreneur Andrew Feldman, who literally grew up on the campus of Stanford University, was already involved in selling three companies and taking another public. But none of that compares with Thursday’s debut of his AI-chip manufacturer.

Serial Silicon Valley entrepreneur Andrew Feldman, who literally grew up on the campus of Stanford University, was already involved in selling three companies and taking another public. But none of that compares with Thursday’s debut of his AI-chip manufacturer.

Political committees have already raised $4.7 billion for the November contests as ultra-wealthy donors look to shape the final two years of Donald Trump's presidency.

Billionaire Nvidia Corp. director Mark Stevens and his wife Mary are gifting $200 million to the University of Southern California to advance AI research and education across the school.

In a treehouse nestled in redwoods north of San Francisco, California Governor Gavin Newsom stood cold and hungry as Sergey Brin, the world’s fourth-richest man, and his wellness-influencer girlfriend told him they were leaving the state.

An early investment in SpaceX has positioned Alphabet Inc. for a 12-figure windfall, a new filing shows, underscoring the vast wealth likely to be created by the rocket company’s market debut.

California billionaires are stepping up their efforts to boost San Jose Mayor Matt Mahan in the race for state governor, rushing into the vacuum left by Eric Swalwell’s abrupt exit amid allegations of sexual assault.

Uber Technologies Inc. is backing three different candidates in the race for governor of California, hedging its political bets on a state that’s a bellwether for policy and technology shifts.

Tumult in private-credit markets is turning into a buying opportunity, even as default rates are likely to rise in 2027 and 2028, according to Alisa Mall, the chief investment officer for Michael Dell’s family office.

Silicon Valley billionaires have been seething over the threat of more taxes and regulations at home. Now, a proposed nine-figure fund aims to give wealthy Californians an unprecedented tool to reshape the state’s politics in their favor.

Sergey Brin and a group of fellow billionaires are bankrolling a series of competing California ballot initiatives that would nullify a proposed 5% levy on the state’s wealthiest residents.

A group of billionaires, including Sergey Brin, is backing San Jose Mayor Matt Mahan’s campaign for California governor, joining a wave of Silicon Valley donors supporting the Democrat’s centrist run.

Artificial intelligence tops the investment priority list for family offices globally, a survey from JPMorgan Chase & Co.’s private bank shows, though allocations lag and remain concentrated in public equities.

A proposed tax on California’s wealthiest residents is drawing opposition from a growing group of top state Democrats, including a US representative for Silicon Valley and Katie Porter, the former congresswoman now running for governor.

Citizens Financial Group Inc. is seeking to expand its private banking business to more Northeast locations such as Philadelphia just two years after it got its start in the business.