A success timeline featuring the most significant achievements of Sam Altman.
Sam Altman is an American entrepreneur, investor, and the current CEO of OpenAI, a leading artificial intelligence research and deployment company. Taking the helm in 2019, he has been a central figure in the rapid advancement and increasing prominence of AI. Altman's leadership at OpenAI has coincided with breakthroughs in generative AI models, pushing the boundaries of what's possible and shaping the ongoing discussion about the future of artificial intelligence. He is regarded as a key voice in navigating the opportunities and challenges presented by this transformative technology.
In 2019, OpenAI stated that $130 million of the pledged funds had been collected.
In December 2022, OpenAI, under Sam Altman, received widespread media coverage after launching a free preview of ChatGPT, which received over a million signups within five days.
In 2022, OpenAI, under Altman's leadership, launched ChatGPT, a highly successful AI chatbot.
In May 2023, following the success of ChatGPT, Sam Altman undertook a world tour, visiting 22 countries and meeting with multiple leaders and diplomats. Altman was also named one of Time magazine's 100 most influential people.
On November 21, 2023, Sam Altman returned to OpenAI as CEO, with a reconstructed board consisting of Bret Taylor (as chairman) and Lawrence Summers, with Adam D'Angelo remaining.
According to anonymous sources cited by Reuters in December 2022, OpenAI Global, LLC was projecting $200 million of revenue in 2023.
By 2023, Tools For Humanity, co-founded by Sam Altman, had scanned two million people's eyes and raised $250 million from several investors.
In 2023, Sam Altman was ousted as CEO of OpenAI by the company's board due to a lack of confidence in his leadership. However, he was reinstated five days later after significant backlash from employees and investors, leading to the formation of a new board.
In 2023, when Hydrazine launched its fourth fund, the University of Michigan endowment was the only outside investor.
In March 2024, Sam Altman debuted on the Bloomberg Billionaires Index with an estimated net worth of $2 billion, primarily from his venture capital funds related to Hydrazine Capital.
According to anonymous sources cited by Reuters in December 2022, OpenAI Global, LLC was projecting $1 billion in revenue in 2024.
Prior to Reddit's initial public offering in 2024, Sam Altman was listed as its third-largest shareholder, with around 9% ownership.
As of July 2025, Sam Altman's net worth is estimated to be US$1.8 billion.
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