Sundar Pichai joined Google in 2004, led Chrome, ChromeOS and Google Drive, became Google's CEO in 2015 and Alphabet's CEO in 2019.
Jan Koum arrived in California from Ukraine at 16, worked as a grocery-store cleaner and co-founded WhatsApp, which Facebook bought in 2014 for $19.3 billion.
Scott Cook founded Intuit in 1983 after hearing his wife complain about paying bills, creating Quicken to help people manage household finances.
Sergey Brin left Moscow at six, met Larry Page at Stanford and launched Google from a Menlo Park garage. He returned in 2023 to work on AI research at Alphabet.
Larry Page co-created the PageRank algorithm and co-founded Google with Sergey Brin, later leading Alphabet as CEO until stepping back from day-to-day roles in 2019.
