The Senior Panel Manager at WebMD will oversee the growth and management of both the WebMD patient panel and the Medscape healthcare professional panel. This role requires hands-on management, strategic thinking to build and optimize panel growth and engagement, and a deep understanding of the market research industry and healthcare marketplace. Responsibilities include developing and executing acquisition and retention strategies, working with cross-functional teams (marketing, data management, product development, and customer support), optimizing the panelist experience, ensuring data quality, and presenting KPIs to management. The ideal candidate will possess 10+ years of experience in online market research and panel management, a strong understanding of healthcare data sources, and proficiency with various software and tools.