Russian-born Sergey Brin is the co-founder of Google and was the president of Google's parent company, Alphabet Inc, until stepping down in 2019. Brin is the world's ninth-richest person with a personal fortune of $86.5bn. His investments include OccamzRazor in 2019, a machine learning medtech platform supporting research into Parkinson’s Disease. In 2015, he contributed undisclosed funding to his former Stanford classmate Martin Roscheisen’s US-based firm Diamond Foundry, the first certified carbon-neutral lab-produced diamond manufacturer.no non copyrighted pic for use