Mary Gieson joined RayThera in August 2023 as the Vice President of Corporate Operations. With over two decades of experience in the biotech industry, she has excelled in diverse roles, including investor relations, human resources, procurement, and corporate communications. Before joining RayThera, Mary was the Senior Director of Corporate Operations at XinThera, which was acquired by Gilead in May 2023. Prior to XinThera, she served as the Director of Operations at Amplyx Pharmaceuticals, acquired by Pfizer in 2021. Her additional experience includes roles in operations and investor relations at Lumena Pharmaceuticals (acquired by Shire) and Cypress Bioscience. Early in her career, Mary worked in corporate finance. Mary holds a Bachelor of Science degree in Finance from Northern Illinois University.
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