History of Leopold Aschenbrenner in Timeline

By Popular Timelines Editorial Team · Updated: May 18, 2026

Leopold Aschenbrenner is a German AI researcher and investor. Formerly part of OpenAI's Superalignment team, he was terminated amidst allegations of leaking information, which he denies. He gained attention for his essay, "Situational Awareness," focusing on the advent of artificial general intelligence and its associated security concerns. Aschenbrenner is the founder and CIO of Situational Awareness LP, a hedge fund that invests in companies focused on AI development.

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Full Timeline

2001: Birth

Leopold Aschenbrenner was born in either 2001 or 2002.

2002: Birth

Leopold Aschenbrenner was born in either 2001 or 2002.

2021: Graduated from Columbia University

In 2021, Leopold Aschenbrenner graduated as valedictorian from Columbia University at the age of 19, majoring in economics and mathematics-statistics. He also co-founded the university's effective altruism (EA) chapter while at Columbia.

February 2022: Joined FTX Future Fund

In February 2022, Leopold Aschenbrenner joined the FTX Future Fund team, an EA philanthropic initiative created by the FTX Foundation.

April 2023: Wrote Memo on Industrial Espionage

In April 2023, Leopold Aschenbrenner wrote a memo to OpenAI's board of directors about the possibility of industrial espionage. This was after a hacker gained access to OpenAI's internal messaging system and stole information.

2023: Joined OpenAI's Superalignment team

In 2023, Leopold Aschenbrenner joined OpenAI on a team called "Superalignment", which was headed by Jan Leike and Ilya Sutskever.

April 2024: Fired from OpenAI

In April 2024, Leopold Aschenbrenner was fired from OpenAI over an alleged information leak, which he disputes. He was part of OpenAI's "Superalignment" team before his termination.

2024: Co-authored working paper with Philip Trammell

In 2024, Leopold Aschenbrenner co-authored a working paper with Philip Trammell of Oxford.

2024: Co-authored "Weak to Strong Generalization"

In 2024, Leopold Aschenbrenner co-authored “Weak to Strong Generalization”, which was presented at the International Conference on Machine Learning.

2024: Wrote "Situational Awareness: The Decade Ahead"

In 2024, Leopold Aschenbrenner wrote a 165-page essay named "Situational Awareness: The Decade Ahead". It predicts the emergence of AGI and outlines ways to deal with superintelligent machines.

2024: Founded Situational Awareness LP

In 2024, after publishing "Situational Awareness", Leopold Aschenbrenner founded Situational Awareness LP, an investment firm.

2025: Engaged to Avital Balwit

As of 2025, Leopold Aschenbrenner is engaged to Avital Balwit, the chief of staff to the CEO at Anthropic. He lives in San Francisco.

2025: Hedge Fund Manages $1.5 Billion

As of 2025, Situational Awareness LP, Leopold Aschenbrenner's AI-focused hedge fund, manages over $1.5 billion.

2027: Predicted self-improving AI

Leopold Aschenbrenner predicts that by 2027, AI systems will have the capacity to conduct their own AI research, leading to rapid algorithmic progress and potential "runaway superintelligence".