Dr Mona Ngui graduated with an MD from Kaosiung Medical College, Taiwan in 1975. She received her Diploma in Ophthalmology from the Royal College of Surgeons, Ireland in 1979. After obtaining a Scottish Triple Qualifications, she started working at Queen Elizabeth Hospital, before moving on to open her own clinic, Mona Eye Clinic. She then moved to join SMC (now known as KPJ Sabah). She is currently a sessional consultant at Gleneagles Kota Kinabalu.