Sergey Brin is an American computer scientist and entrepreneur known for co-founding Google alongside Larry Page. He played a significant role in developing the search engine that became one of the most widely used in the world. Brin later served as president of Alphabet Inc., the parent company of Google, before stepping down from that position in December 2019. Brin continues to be involved with Alphabet as a co-founder, controlling shareholder, and board member. His work with Google and Alphabet has contributed to his status as one of the wealthiest individuals globally, with a net worth exceeding one hundred billion dollars.