One of their most notorious disagreements happened in the 1990s while they were running their first startup, Zip2. According to Walter Isaacson’s biography of Elon Musk, Kimbal once bit a piece ...

Elon Musk's family is filled with notorious ... she used to work in Silicon Valley with her brothers Elon and Kimbal. She worked in Zip2, one of Elon's first businesses, which played a key part ...

Steve Granitz/FilmMagic; Chris Saucedo/Getty Images Kimbal Musk is sharing a glimpse of what it’s like to be Elon Musk’s brother. In a wide-ranging and rare interview with The Times ...

The same year Musk sold Zip2, he used $10 million from the sale ... Musk also began the Musk Foundation in 2002 with his younger brother Kimbal. The Musk Foundation's goal is award grants that ...

Kimbal Musk is the younger brother of Tesla CEO Elon Musk and a director of the EV maker.Marc Piasecki, Todd Owyoung/Getty Images Kimbal Musk, Elon Musk's brother, sold 75,000 Tesla shares worth ...