By Conor Murray
Publication Date: 2026-02-09 22:01:00
Topline
An Anthropic employee who led a team researching AI security left the company on Monday, warning darkly of a “world at risk” and the difficulty of “letting our values guide our actions” in a public resignation letter that also suggested the company had abandoned its values - without elaborating.
Anthropic security researcher Mrinank Sharma’s resignation letter reached one million views by Monday afternoon. (Photo illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images)
SOPA Images/LightRocket via Getty Images
Important facts
Mrinank Sharma, who had led Anthropic’s security research team since its launch last year, shared his resignation letter on Monday morning in a post on X that quickly gained attention and was viewed a million times.
In his letter, Sharma said it was “clear to me that the time has come to move on” and stated that the “world is at risk” not just from AI but from a “whole series of interconnected crises unfolding in…”
