Rapprich is an expert on physical volcanology at the CGS, Prague, Czech Republic. He speaks Czech, English, and Spanish. His mentor roles include organizational capacity to the project from experience participating and managing natural disasters and geological mapping projects. He is presently also leading the project on Capacity building in Environmental Geology Mapping of Georisks, including hydrogeological conditions in Southern Ethiopia. He cooperates closely with a large group of geophysicists experienced in geophysical mapping and tomography of volcanic systems. He has an exceptional publication record, with diverse subject themes that encompasses physical volcanology, volcanostratigraphy, petrology, volcanic geochemistry, and geophysical methods applied in volcanology. His direct IRES mentor roles include a broad range of volcanology, petrology and ground magnetometry.