Sienna Choi is currently the Director of Global Communications at Merck, where their previous roles include Director of Global Oncology Communications and Director of Hospital & Specialty Care in Global Communications. Prior to joining Merck, Sienna worked as Account Director at GCI Health and held positions at Burson-Marsteller and Makovsky. They began their career as a Public Relations Associate at Thomas Jefferson University Hospitals. Sienna's extensive experience in healthcare communications highlights their expertise in managing diverse global portfolios.
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