Chen Sung graduated from Master of Clinical Psychology program at Universiti Sains Malaysia (USM). During practicum training, he worked with diverse populations in the psychiatric department of Hospital Universiti Sains Malaysia (HUSM) and Hospital Raja Permaisuri Bainun (HRPB). He is experienced in evaluating and assessing individuals for neurodevelopmental concerns, cognitive abilities, and behavioral and psychological issues. In his clinical practice, he incorporated evidence-based psychological interventions for conditions such as depression, anxiety, obsessive-compulsive disorder, panic disorders, personality disorders and somatic symptoms related disorders.

His primary therapeutic approach is Cognitive Behavioral Therapy (CBT) and Schema Therapy, which focuses on identifying and modifying deeply rooted patterns and unmet emotional needs. He also incorporates experiential techniques such as chair work and imagery rescripting in the session.