XpeRDt is jointly owned by Freddie and Tiani Roelofse who collectively have more than 25 years of experience in the field.
Freddie Roelofse

Freddie Roelofse

BSc (Earth Sciences) BSc (Hons) (Geology) BSc (Hons) (Metallurgy) Cum Laude (Pret) BA Cum Laude BTech (Quality) (Unisa) PhD (Geology) (Wits) National Certificate (Policing) (Unisa) GIA AJP Cert GA FGA FGS MGSSA L Akad.SA MRSSAf MMINSA Pr.Sci.Nat

Freddie completed his doctoral degree in geology with the University of the Witwatersrand in 2010 and also holds degrees in metallurgy and quality management. He is a fellow of the Gemmological Association of Great Britain and the Geological Society of London and a member of the Geological Society of South Africa, the Mineralogical Association of South Africa, the Royal Society of South Africa and the Suid-Afrikaanse Akademie vir Wetenskap en Kuns. He is the chair of the Palaeoproterozoic task group of the South African Committee for Stratigraphy and a member of the editorial board of the Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie. He is registered as a professional natural scientist in the geological science category with the South African Council for Natural Scientific Professions.

Tiani Roelofse

Tiani Roelofse

BSc (Earth Sciences) BSc (Hons) (Geology) (Pret) MSc (Geology) (UKZN) Pr.Sci.Nat

Tiani completed her MSc in geology with the University of Kwazulu-Natal in 2010 and is registered as a professional natural scientist in the geological science category with the South African Council for Natural Scientific Professions. Tiani is the founder and director of Die Witjassies (Little Lab Coats), a business aimed at introducing pre-school and primary school children to the exciting world of the natural sciences.