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• 2025 to present: Experimental geochemist, 51����
• 2025 to present: Adjunct Professor, National Institute of Geological Sciences, University of the Philippines Diliman
• 2025 to present: Visiting Scientist, Philippine Nuclear Research Institute
• 2020 to 2024: PhD Earth Science, GFZ Helmholtz Centre for Geosciences and Freie Universität Berlin, “From rocks to wastes: Tracing the fate of Cr in mining-impacted lateritic environments”
• 2016 to 2020: Instructor, University of the Philippines Diliman
• 2016 to 2020: MSc Geology, University of the Philippines Diliman
• 2012 to 2016: BSc Geology, University of the Philippines Diliman

Research interests

• Environmental mineralogy and geochemistry of contaminants, nutrients, and critical metals
• Natural and experimental fluid-rock interactions
• Experimental mineralogy and crystal chemistry
• Synchrotron-based spectroscopy
• Applications in mining, mine tailings, radioactive waste disposal, CCS, hydrogen research

ORCID:��

Key papers

• Delina, R E G, Perez, J P H, Roddatis, V, Stammeier, J A, Prieur, D, Scheinost, A C, Tan, M M, Garcia, J J L, Arcilla, C A, and Benning, L G. 2025. . Environmental Science & Technology, 59 (11), 5683–5692.
• Corkett, A J, Okhrymenko, M, Roddatis, V, Lebedev, O, Delina, R E G, Perez, J P H, Benning, L G, and Dronskowski, R. 2025. . Inorganic Chemistry, 64 (6), 2886–2896.
• Delina, R E G, Perez, J P H, Stammeier, J, Bazarkina, E, and Benning, L B. 2024. . Environmental Science & Technology, 58 (14), 6391–6401.
• Delina, R E G, Arcilla, C, Otake, T, Garcia, J J, Tan, M, and Ito, A. 2020. . Chemical Geology, 558, 119863.

• Fluid-rock interaction experiments at different conditions (e.g., ambient, high pressure and temperature, anoxic)
• Synchrotron-based spectroscopy (XANES, EXAFS, μXRF, μXANES)
• Mineralogical and geochemical characterization (optical microscopy, SEM, XRD, FTIR, XRF, UV-Vis, IC, ICP-OES)
• Geochemical modelling
• Field and mapping techniques

• German Academic Exchange Service (German: DAAD) Doctoral Research Grant (2020-2024)
• International Association of GeoChemistry (IAGC) PhD Student Research Grant 2022
• TravelingGeologist Field Scholarship 2022