Who Is Elon Musk's Brother
Kimbal Musk is the younger brother of Elon Musk and a South African-born entrepreneur focused on food, technology, and philanthropy. He co-founded Zip2 with Elon in the 1990s and later helped build X.com, which merged with Confinity to form PayPal. Today he is known for running The Kitchen Restaurant Group, leading the nonprofit Big Green, and investing in food-tech startups. He serves on multiple corporate boards and continues to expand his portfolio across restaurants, vertical farming, and education programs. Kimbal Musk profile on Forbes outlines his career timeline and business interests.
Kimbal Musk was born on September 20, 1972, in Pretoria, South Africa, making him about five years younger than Elon Musk. He attended Pretoria Boys High School before moving to Canada and later to the United States, where he studied finance and economics at the University of Pennsylvania. He launched his first major venture, Zip2, with Elon in 1995, and the company was sold to Compaq in 1999 for roughly $307 million. After the sale, he moved to Colorado and shifted his focus from software to food and sustainability, founding The Kitchen and later Big Green. Kimbal Musk biography on Wikipedia provides additional details on his early life and education.
Kimbal Musk Net Worth and Business Ventures
Current Net Worth and Public Disclosures
As of the most recent public filings and financial reports, Kimbal Musk's net worth is estimated in the low hundreds of millions of dollars, driven largely by his early PayPal shares, restaurant equity, and private investments. His wealth has grown through a combination of successful exits, active restaurant operations, and strategic stakes in food-tech and vertical farming companies. He has also raised capital for his ventures through equity rounds and impact-focused funds. Forbes estimates and updates on Kimbal Musk's net worth track changes tied to company valuations and market movements.
Major Companies and Investment Focus
Kimbal Musk leads The Kitchen Restaurant Group, a collection of farm-to-table eateries across multiple U.S. states, and he co-founded Square Roots, an indoor farming company that uses hydroponic shipping containers to grow produce in urban areas. He is also a board member and early investor in several food-tech startups focused on sustainability, supply chain transparency, and alternative proteins. His investment strategy emphasizes brands that combine scalable technology with environmental and social impact. Bloomberg profile on Kimbal Musk provides details on his board seats and portfolio companies.
Philanthropy, Education, and Public Roles
Big Green and Food Education Programs
Kimbal Musk founded Big Green, a nonprofit that builds outdoor classrooms called "Learning Gardens" in schools across the United States to teach children about food, gardening, and nutrition. The organization partners with school districts and local governments to fund garden infrastructure, teacher training, and curriculum development. Big Green has expanded to dozens of cities and aims to reach millions of students with hands-on food education. Big Green official website provides updates on program locations, impact metrics, and annual reports.
Board Seats and Industry Influence
Beyond his restaurant and nonprofit work, Kimbal Musk holds board seats and advisory roles at companies in