King Kuok "Mimi" Hii is a chemist whose fields of research include application of catalysis to organic synthesis. She is the Director of Imperial College London's Centre for Rapid Online Analysis of Reactions.
Hii has investigated catalysis during her research career. In Oxford, she characterised intermediates of the Heck reaction. Hii also studied this reaction at King's College London. Hii has continued with this field of study producing over a hundred articles, reviews, book chapters and patents. These include articles, reviews and books on sustainable chemistry methods. In 2010 Hii joined the Steering Group of the Engineering and Physical Sciences Research Council Dial-a-Molecule Grand Challenge network and became a Co-Investigator on phase III of the project in 2016. Hii has been awarded many grants, most notably a multi-million award from the Engineering and Physical SciencesResearch Council in 2017 which, together with money from Imperial College London and industrial partners funded the set up of Imperial College London's Centre for Rapid Online Analysis of Reactions.