“The world is in peril,” Anthropic’s Safeguards Research Team lead wrote in his resignation letter A leading artificial intelligence safety researcher, Mrinank Sharma, has resigned from Anthropic with an enigmatic warning about global “interconnected crises,” announcing his plans to become “invisible for a period of time.” Sharma, an Oxford graduate who led the Claude chatbot maker’s Safeguards Research Team, posted his resignation letter on X Monday, describing a growing personal reckoning