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Monday, Jan 19, 2026

OpenAI CEO Sam Altman Faces Allegations of Childhood Sexual Abuse by Sister

Legal battle unfolds as Ann Altman files lawsuit against brother in United States, marking a significant challenge for tech executive.
In a dramatic legal development, Ann Altman has filed a lawsuit in the state of Missouri against her brother, Sam Altman, the chief executive of OpenAI, alleging that he repeatedly sexually abused her throughout their childhood.

The lawsuit, which has stirred deep emotions within the Altman family, includes accusations of rape and suggests that the abuse began when Ann was three years old, and Sam was twelve.

The claims set forth in the court documents not only confront Sam Altman with accusations from a close family member but also pose reputational risks for a leading figure in the tech industry.

Ann Altman and her legal representatives are pursuing a jury trial, seeking damages exceeding $75,000, equivalent to approximately £60,000.

Taking to social media platform X, Sam Altman, together with his mother and two brothers, issued a robust denial of the allegations.

The joint statement described the allegations as 'utterly untrue' and voiced concern over Ann's wellbeing, linking her accusations to mental health challenges.

They expressed that 'caring for a family member who faces mental health challenges is incredibly difficult,' while reiterating that the claims were 'entirely untrue' and 'deeply hurtful.'

Ann Altman, whose previous social media posts have echoed similar claims, stated through her attorneys that she suffers from mental health issues directly linked to the alleged abuse.

Meanwhile, the Altman family indicated that Ann has a history of making a variety of allegations against family members and has declined conventional medical treatment despite offers of financial and medical support.

The legal proceedings come at a critical juncture in Sam Altman's career as he occupies a prominent position in the technology sector.

Under his leadership, OpenAI has become a transformative force in artificial intelligence, highlighted by the release of ChatGPT in late 2022, which accelerated the development and adoption of generative AI technologies.

This lawsuit underscores the complexities and challenges faced by high-profile individuals when personal and professional worlds collide.

As the legal process unfolds, the lawsuit will continue to draw significant public and media scrutiny, reflecting broader societal issues related to allegations of abuse, mental health, and familial relationships in the digital age.
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