Sergey Brin, Russian-American computer scientist and businessman, co-founded Google

Sergey Mikhailovich Brin is an American computer scientist and businessman who co-founded Google with Larry Page. He was the president of Google's parent company, Alphabet Inc., until stepping down from the role on December 3, 2019. He and Page remain at Alphabet as co-founders, controlling shareholders, and board members. As of June 2025, Brin is the tenth richest person in the world, with an estimated net worth of $149 billion, according to the Bloomberg Billionaires Index and 141.5 billion, according to Forbes, making him the eighth-richest person in the world.

Google LLC is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial intelligence (AI). It has been referred to as "the most powerful company in the world" by the BBC and is one of the world's most valuable brands. Google's parent company, Alphabet Inc., is one of the five Big Tech companies alongside Amazon, Apple, Meta, and Microsoft.