Arthur MacWaters

Arthur MacWaters is the Co-Founder and President of Legion Health, an AI-driven mental healthcare startup based in San Francisco, California. Before launching his current venture, he worked as a Business Analyst at McKinsey and Company, and he earned a Bachelor of Arts in Public and International Affairs from Princeton University in 2018. MacWaters subsequently participated in the Y Combinator Summer 2021 cohort to build a scalable B2B telepsychiatry marketplace and digital staffing platform. Under his operational leadership, the company has secured $7 million in total funding, reached $3.3 million in annual recurring revenue, and expanded its services to support over 2,200 patients with a core team of eleven full-time employees. His current professional focus centers on developing AI-native psychiatric solutions and autonomous healthcare agents to streamline daily clinical operations and expand insurance-covered patient care.