Dr Chua is an Otolaryngologist - Head and Neck Surgery. He is currently a consultant to the Department of Otorhinolaryngology-Head & Neck Surgery, St Luke’s Medical Centre – Bonifacio Global City, Philippines. He is the founding member of the Philippines Academy of Rhinology and the current Chairperson. He is also a founding member and Director of the Philippines Academy of Paediatric Otolaryngology.
He is the managing editor of the Philippine Journal of ORLHNS. He has more than 80 invited, guests, special, plenary or keynote lectures at national and international congresses and symposia. He has published more than 30 publications to date. He has more than 30 international postgraduate courses/conventions to date.