Aysel Müezzinler Lehmann

Aysel Müezzinler Lehmann is an experienced marketing and business operations leader in the oncology sector, currently serving as Associate Director of Marketing at Alnylam Pharmaceuticals since November 2025. Prior roles include Associate Director of Business Operations & Analytics for Oncology at Oncopeptides AB, where responsibilities encompassed global brand strategy, marketing implementation, and customer targeting in multiple European countries. Aysel's background at Bristol Myers Squibb involved senior business insights and analytics management across oncology franchises, including demand forecasting and market research for CAR T franchises. Aysel began a career at Veeva Systems, overseeing data product management for a global oncology database, and possesses a solid academic foundation with a Master of Science in Epidemiology from Imperial College London and a Bachelor of Science in Biomedical Sciences from The University of Manchester.