Prof. Van geertruyden JP main expertise lies in bio-statistical support, designing and implementing (clinical) epidemiological study designs and conducting clinical trials (Phase 1-2-3), diagnostic test research and vaccine trials. He joined the academic world via a PhD on malaria-HIV interactions and continued to work on malaria since two decades. But also has initiated multidisciplinary research lines on NCDs, Cervical cancer, vaccine preventable diseases as Ebola Virus disease, Mpox disease,... (Development of) molecular tools and social sciences (mixed methods) are incorporated in most of his studies. Last years, his interest is evolving towards implementation research. He has active ongoing collaborations going with DRCongo, Tanzania, Zambia, Cameroon, Burundi, Uganda, Peru, Ethiopia, The Gambia, Kenya,... and several institutions in High Income Countries.