Amazon's One Medical CEO stepping down after less than two years at helm

1. One Medical's CEO Trent Green is stepping down for a new role. 2. Green's departure comes after major expansions and integration with Amazon services. 3. Amazon's healthcare venture reflects its growing commitment to the healthcare market. 4. One Medical's acquisition was one of Amazon's largest at $3.9 billion. 5. The leadership change raises questions about future strategic direction in healthcare.