The breakthrough was less a single moment than a near-wipeout across two companies. After walking away from the eBay acquisition of PayPal with $175 million, he split the proceeds between SpaceX and Tesla. By 2008, SpaceX had failed on its first three Falcon 1 launches. Tesla had burned through its funding with no deliverable product. He reportedly put his last available cash into both. SpaceX's fourth launch reached orbit in September 2008. Tesla closed a financing round days before it would have folded. The double survival is what built the reputation.
His net worth sits somewhere between $676 billion and $850 billion depending on who's counting. He spent most of 2025 running DOGE, the White House advisory body he used to target federal agencies, and left the administration in May 2025 as a public feud with Trump over budget legislation erupted. The $44 billion Twitter purchase, rebranded X, shed significant value and became a megaphone for his political commentary. Tesla peaked at a $1.5 trillion market cap in late 2024. He's built something unusual: a brand where the person, the controversy, and the company are all the same product.
He moved to Canada at 17 with close to nothing and survived on roughly a dollar a day, living on hot dogs and oranges. He'd already sold his first software at 12, a video game called Blastar, to a computer magazine for $500. He reportedly got so absorbed in his own thoughts as a child that his parents had his hearing tested before realizing nothing was wrong with his ears. He also left Stanford's applied physics PhD program two days in to start a company in Palo Alto. He doesn't linger.