Si Tsui an pamayo kan Wellington branch kan Engineering New Zealand. Puon kan 2016, sya nagin pamayo kan International Partnership of Geothermal Technologies. Kan 2019, sya nanombrahan na principal analyst para sa New Zealand Climate Change Commission. Kan 2020, nakaresibi sya kan Fulton-Downter na Gold Medal huli sa saiyang liderato sa industriya nin inhenyeriya.