Leonie Los

Leonie Los is the Associate Director | Regulatory Affairs Liaison at MSD (Merck & Co., Inc.) based in the Arnhem-Nijmegen region. In her role, she is responsible for overseeing regulatory strategy across various aspects, including clinical, chemistry, manufacturing, and controls (CMC), as well as risk management requirements for the Asia-Pacific region.12

Her professional background includes expertise in bioinformatics, laboratory animal science, medical statistics, and project management, which supports her work in regulatory affairs.3 Prior to her current position, she has likely held various roles that have contributed to her extensive knowledge in the field.