After graduating at Utrecht University Kees began his career with a short period as an industrial pharmacist. He continued to work as a hospital pharmacist until 1987. In 1986 he obtained his Ph.D. degree at Leiden University for his thesis related to pharmaceutical technology.

Next, he began his pioneering work as an independent consultant in the field of pharmaceutical production and regulatory affairs in 1987. This was the start of BFC. Since that time Kees supported numerous companies with all kinds of regulatory and quality issues, got involved in a wide variety of developmental projects, ran various projects in over 30 hospital pharmacies, served for many years as an evaluation expert in various EU research programs, acted as secretary of a federation of pharmaceutical SME’s for over 15 years and published many articles and reports on various pharmaceutical issues and developments.