Director, Clinical Operations

Marianne Keessen has a clinical background in oncology, mainly focused on early phase clinical trials. Prior to Modra, she worked at the Netherlands Cancer Institute – Antoni van Leeuwenhoek (NKI-AVL) as a nurse practitioner and project manager for over 25 years. She was also a project manager for a nationwide study in biogenetic research in oncology at the Center Personalized Cancer Treatment (CPCT).

Marianne holds a master’s degree in nursing, and an MBA from the Erasmus University in Rotterdam.