Joe Chang serves as the Chief Strategy Officer at Appier, beginning in February 2022, where responsibilities include leading corporate strategy and development for the AI SaaS company. Prior to this role, Joe held positions at IQVIA from September 2018 to February 2022, focusing on strategy development within the Real-World Solutions business, and at Flatiron Health from February 2017 to August 2018 as Senior Director of Research Operations. Earlier experience includes a significant tenure at McKinsey & Company, where Joe advanced from Engagement Manager to Associate Partner and Domain General Manager, specializing in Healthcare Data Management. Academic qualifications encompass a Doctor of Science in Public Health from Harvard University, alongside a Master of Science in Industrial Hygiene and a Bachelor of Science in Physical Therapy from National Taiwan University.