Sergey Mikhaylovich Brin is a Russian-American mathematician and computer scientist who co-founded Google along with Larry Page and has an estimated net worth of $97.25 billion as of April 2021. He is the eighth wealthiest person in the world, according to Bloomberg, and the ninth according to Forbes. In December 2019, Brin resigned as President of Alphabet, the parent company of Google since 2015, but remains a board member and a controller shareholder with 25.2% of the total voting power. He owns 19.1 million Class A shares and 19.1 Class B shares of the company, equal to more than $86 billion, considering the closing price of the stock on April 12, 2021.
Warren Edward Buffett is the chairman and CEO of Berkshire Hathaway. He is an American investor, business tycoon, and philanthropist worth $100.3 billion according to Forbes on March 2021. Buffett is the CEO of Berkshire Hathaway, a conglomerate that owns more than 60 businesses, including insurer Geico, battery manufacturer Duracell, and restaurant chain Dairy Queen.
Mark Zuckerberg is an American entrepreneur, philanthropist, founder, and CEO of Facebook, the most popular social network worldwide with 2.8 billion monthly active users. He has an estimated net worth of $101 billion as of March 2021, which makes him the world’s third centi-billionaire.