- Dr Cheong Jack Pein started his medical career after graduated with MBBS at Manipal University in 2006. He then graduated with MS (ORL-HNS) at University of Malaya (UM) in 2015. - He started in Hospital Pakar Sultanah Fatimah Muar as House Officer before became Medical Officer in the same hospital during 2006 – 2011 period. - He then became the Medical Officer of University of Malaya (UM) Medical Centre before becoming the Medical Officer at Hospital Ampang, Selangor. - He started career as ENT Specialist at Hospital Sultanah Aminah in 2015. - He later joins KPJ Pasir Gudang Specialist Hospital in 2018 and serves as Consultant ENT, Head & Neck Surgeon until now.
- MBBS at Manipal University in 2006. - MS (ORL-HNS) at University of Malaya (UM) in 2015.