Mintek Executive

Ms Mariekie Gericke

Ms Mariekie Gericke

Group Executive: Extractive Metallurgy

Ms Mariekie Gericke is an accomplished scientist who began her career at the CSIR before joining Mintek in 1995. With a BSc in Chemistry and Microbiology, as well as a BSc (Hons) in Microbiology from the Free State University, she furthered her education by obtaining an MSc in Microbiology from the University of Pretoria. Over the years, Ms Gericke has amassed significant experience in biohydrometallurgy, including bioleaching as well as the treatment of mining-related water and waste.

Ms Gericke has an impressive track record in driving research and development, having been involved in several collaborative projects with research and industry partners both locally and internationally. In recognition of her outstanding contributions, she was promoted to Divisional Manager for the Biometallurgy Division in 2016, a position she held until her appointment as Group Executive for Extractive Metallurgy at Mintek in 2022.

Ms Gericke has played a pivotal role in the commercialisation of Mintek technologies. Her expertise in the field is also evidenced by the various book chapters she has authored, extensive publications in peer-reviewed journals, and presentations at numerous local and international conferences in the field of biometallurgy.


BSc (Chemistry and Microbiology)Free State University

BSc (Hons) in MicrobiologyFree State University

MSc (Microbiology)University of Pretoria


MINTEKGroup Executive: Extractive Metallurgy

MINTEKDivisional Manager of the Biometallurgy Division