About

Management

Hans Lentzen, Ph.D., Managing Director

Hans Lentzen is Professor for Pharmacology and Toxicology. Prior to co-founding CYTAVIS, he was CEO of Viscum AG and Head of Research and Development at Madaus AG.

Klaus Witthohn, Ph.D., Head of Research and Development

Klaus Witthohn is chemist focused on organic chemistry and analytics of natural compounds. He has longterm experience in professional management concerning quality control, chemical as well as analytical development.