With his role as CEO of OpenAI, Sam Altman has become a prominent figure in the ever-evolving landscape of technology and artificial intelligence. However, his impact reaches far beyond this position. As a prolific investor, Altman boasts a staggering portfolio of over 400 companies and a net worth of at least $2.8 billion. His sharp business acumen and strategic investments have solidified his position as one of the most significant and influential tech investors in the world.