Prior to his private practice, Dr Aaron Poh was a practising Colorectal and Trauma surgeon in Ng Teng Fong and Tan Tock Seng Hospital. He was also the Associate Consultant in Ng Teng Feng Hospital while spearheading the setting up of Trauma service in the hospital.

Currently practising in Mount Elizabeth Hospital, Dr Aaron Poh performs a range of general surgical & abdominal procedures. The surgical procedures that he performs are largely laparoscopic (minimally invasive keyhole) surgery.

Dr Poh has published research papers in peer-reviewed journals and presented in local and international conferences. He keeps current with monthly subscriptions of scientific journals relevant to his practice and attends at least one international conference a year.