Professor of Experimental Therapeutics, University of Exeter, University of Otago, NZ  (2006) and University of Mahidol, Thailand (2018, 2022-). Key to elucidating the role of H₂S in vivo and invented the first mitochondrial-targeted sulfide-delivery molecules. Grant awards totalling £6m for mitochondrial H₂S rescue of diseases. 20 years experience of redox biochemistry and pharmacology in UK and Singapore. 180+ publications, H-index = 78.