Elon, Satya and Pichai didn't arrive on H1B visa.
Interestingly, Staya Nadella did use the H1B program, in an unconventional way.
https://finance.yahoo.com/news/microsoft-ceo-satya-nadella-o...
https://finance.yahoo.com/news/microsoft-ceo-satya-nadella-o...
But if you shut off that valve, they would not be here 25 years later.