Who Are the Musk Brothers
The Musk brothers are Elon Musk, Kimbal Musk, and Tosca Musk, who are known for leading major technology and energy companies. Elon Musk is the CEO of SpaceX and Tesla and the owner of X, formerly Twitter, while Kimbal Musk focuses on food and sustainability ventures, and Tosca Musk is a producer and investor. The brothers grew up in South Africa and later moved to Canada and the United States, where they built their business empires.
Elon Musk is the richest person in the world according to Forbes, with a net worth driven mainly by his stakes in Tesla and SpaceX. Kimbal Musk is a well-known restaurateur and entrepreneur who co-founded The Kitchen Restaurant Group and Square Roots, an urban farming company. Tosca Musk co-founded Passionflix, a streaming platform focused on romance and drama adaptations, and she continues to produce content through her production company.
What Companies Do the Musk Brothers Run
Elon Musk leads SpaceX, a private aerospace manufacturer and space transportation company that has launched thousands of Starlink satellites and developed the Starship rocket. He also leads Tesla, the electric vehicle and clean energy company that is one of the most valuable automakers by market capitalization. In addition, he owns X, the social media platform formerly known as Twitter, and is involved in xAI, the artificial intelligence company behind the Grok chatbot.
Kimbal Musk runs Square Roots, an indoor farming company that aims to grow fresh produce in urban environments using hydroponic technology. He is also involved with Musk Foundation, which funds renewable energy, space exploration, and education projects. Tosco Musk continues to expand Passionflix, a platform that produces original movies and series based on bestselling romance novels.
What Is the Latest News About the Musk Brothers
In 2025, SpaceX continues to advance Starship development and secure government and commercial launch contracts, while Tesla remains a top automaker by market value and deliveries. Elon Musk remains a central figure in discussions about AI regulation, social media policy, and global technology competition. Kimbal Musk continues to promote urban farming and food education initiatives in the United States and Canada.
Tosca Musk expands Passionflix content library and explores new distribution partnerships. The Musk family remains one of the most influential business families in the world, with their companies shaping industries ranging from electric vehicles and space exploration to artificial intelligence and streaming entertainment.
Key Facts About the Musk Brothers
Elon Musk
CEO of SpaceX and Tesla, owner of X and xAI, richest person in the world by net worth.
Kimbal Musk
Co-founder of Square Roots, restaurateur, and advocate for sustainable food systems.
Tosca Musk
Co-founder of Passionflix, producer, and investor in media and technology ventures.
Sources and References
Forbes profile on Elon Musk Forbes. Tesla investor relations page Tesla IR. SpaceX official website SpaceX. SEC filings for Tesla SEC Tesla.