why Anthropic AI safety chief quit: Anthropic AI safety chief abruptly quits, raises alarms in emotional farewell letter

Anthropic AI Security Chief Resigns from Anthropic Amid AI and Global Security Concerns
In the letter, Sharma reflected on his accomplishments at Anthropic, including developing defenses against AI-enabled bioterrorism, investigating AI flattery and contributing to one of the company’s first AI security cases. He also noted his work on understanding how AI assistants can distort human behavior and diminish humanity.
Key Achievements of Mrinank Sharma at Anthropic in Artificial Intelligence Security and Bioterrorism Defense
“I’ve accomplished everything I wanted to here,” Sharma wrote, adding that his recent projects have focused on helping the organization live its values and addressing risks from artificial intelligence and bioweapons, as shared in a post on social media X.
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Mrinank Sharma Warns of Interconnected Global Crises in Farewell Letter
Despite these achievements, Sharma said the moment to leave had come. He said: “The world is in danger. And not just from Artificial Intelligence or bioweapons, but from a series of interconnected crises that are emerging right now.”
Why Does Mrinank Sharma Believe Human Wisdom Should Be Matched With Technological Power?
He emphasized the urgency of matching human wisdom with the growing capacity to impact the world. “We appear to be approaching a threshold where our wisdom must grow in proportion to our capacity to impact the world, lest we face the consequences,” said Sharma.
Ethical Pressures of Working in Artificial Intelligence
Sharma also touched on the challenges of staying true to one’s values. He wrote: “During my time here, I have seen time and time again how difficult it is to truly allow our values to guide our actions. I have seen it within myself, within the organization, where we constantly face pressure to set aside the things that matter most, and across wider society.”
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Anthropic AI Security Chief’s Next Chapter: Poetry, Honesty, and Brave Speech
Going forward, Sharma said he plans to pursue work consistent with his personal integrity, major in poetry, and devote himself to what he describes as “courageous speaking.” He also plans to continue participating in facilitation, coaching, community building, and group work.
Recent Events Shook Anthropic’s AI Security Team
Sharma’s departure follows several recent departures from Anthropic, including research and development staffer Harsh Mehta and leading AI scientist Behnam Neyshabur, who said last week they were leaving to “start something new,” according to a Business Insider report. Former AI security researcher Dylan Scandinaro recently joined OpenAI as head of readiness.
Anthropic Expands Team and Launches Claude Opus 4.6 Productivity Model
Meanwhile, Anthropic is expanding its team with hires like CTO Rahul Patil, a former Skype employee, and is launching an upgraded Claude Opus 4.6 model designed to improve office productivity and coding performance. The company is also reportedly in talks to raise financing that could be valued at $350 billion.
Sharma Signed His Signature with His Poetic Reflection on Life
In closing her letter, Sharma shared a poem that resonated with her: William Stafford’s The Way It Is reflected on the themes of determination, purpose, and navigating life’s uncertainties.
FAQ
Who is Mrinank Sharma?
Sharma led the safeguards research team at Anthropic, focusing on AI security, bioterrorism defense, and understanding the impact of AI on humanity.
What is Antropik doing now?
The company is expanding its team by hiring key roles like CTO Rahul Patil and has released Claude Opus 4.6 to improve productivity and coding performance.




