Tesla to xAI: Elon Musk's Expansive Tech Empire
Elon Musk has secured a historic $1 trillion pay package from Tesla, marking the largest corporate pay deal ever. As of October 2025, Forbes estimates Musk's personal net worth at around $500 billion, making him the first "trillion-dollar CEO."
His business ventures cover diverse industries such as electric vehicles, space exploration, artificial intelligence, neurotechnology, and social media. Below is an overview of his major companies, their origins, core activities, and current valuations.
Tesla
Founded in 2003 by Martin Eberhard and Marc Tarpenning, Tesla produces electric cars, solar panels, and energy storage solutions for homes and vehicles. The company is headquartered in Austin, Texas.
In February 2004, Elon Musk led Tesla's Series A funding, investing $6.5 million. He became chairman of the board and took over as CEO and product architect in 2008.
As of October 2025, Tesla's market capitalization stands at approximately $1.5 trillion.
SpaceX
Founded in 2002 by Elon Musk and based in Hawthorne, California, SpaceX is an aerospace manufacturer and space transport services company. It develops rockets, spacecraft, and satellites, including the Starlink satellite network.
SpaceX is the first private company to send a spacecraft into space and safely return it to Earth.
Summary
Elon Musk leads a vast and diverse technology empire, with groundbreaking achievements across automotive, aerospace, AI, and more, solidifying his status as a trillion-dollar CEO.
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