tesla founders, neither of them retained enough Tesla stock to achieve billionaire status

https://www.britannica.com/biography/Martin-Eberhard-and-Marc-Tarpenning
https://www.cnbc.com/2021/02/06/tesla-founders-martin-eberhard-marc-tarpenning-on-elon-musk.html
https://www.forbes.com/sites/alanohnsman/2021/11/10/tesla-had-5-founders-only-two-got-really-rich/?sh=19143001f462