Coen Breedveld


Coen has obtained his master in Chemistry with a specialization in business from Leiden University. After 1 year as a business developer in a small biotech company, Coen joined Levels Diagnostics, adding an entrepreneurial spirit to the team. His main responsibility is the ongoing clinical study, the data analysis and financing of Levels Diagnostics.

Blandine Le Tallec


Blandine studied Biology in Paris (UPMC), Berlin (TU) and arrived in Leiden for her Master's (Biology and Science Based Business). She has been involved in the entrepreneurial community in Leiden (Science meets Business) and has worked for several start-ups in Europe. After her studies, she joined DSM Sinochem as a Product Manager. Within Levels Dx, Blandine is responsible for project management, grant submissions and collaborations with third parties. 

Mark Schoonderwoerd


Mark started his study at MBO followed by a bachelor of applied sciences (HBO) next he did a master in Biology specialized in animal biology and disease models. After his master's, he started his Ph.D. at the department of gastroenterology and hepatology in the Leiden University Medical Center. Mark has both theoretical as well as practical knowledge in immunology and molecular biology and is (co)author on multiple scientific publications. 

Other team members

Anna-fleur Mulders-Vink

Medical advisor 

Leon Loogman

Bioinformatics and business

Jisk van der Meer

Lab technician

Sem Vogel