Stella Kaval announced on X that she is leaving Meta to join Anthropic. In her departure post, she gives October 13 as her start date.
At Meta, Kaval built internal engineering tools and helped her team adopt AI coding tools, including Claude Code. Her post reflects on engineering judgment, mentorship, and the practical lessons of using AI to write software.
She writes that questions about model safety and responsible development helped draw her to Anthropic. She has not specified her new role title.