Christina Mark is a qualified Staff Nurse with 23 years of experience in the nursing field. She possesses 20 years of experience in the Medical Surgical Ward. Her nursing journey commenced at Sunway Medical Centre as an Assistant Staff Nurse. In 2005, she pursued further education in the form of a Diploma in Nursing, sponsored by Sunway Medical Centre. She continued her professional journey within the same center as a Staff Nurse. In 2009, she was selected to join as an Infection Control Nurse and underwent training to obtain a certificate in Infection Control. Following this, she spent two years working in Riyadh, Saudi Arabia. Her career then brought her back to Sunway Medical Centre, where she served as a Senior Staff Nurse from 2013 to 2016. Subsequently, she continued her professional journey as a Ward Manager at Beacon International Hospital. She pursued additional studies in Post Basic Renal and worked at Ara Damansara Hospital in the Dialysis Department as a Charge Nurse. Currently, Christina Mark is continuing her career as a Clinical Instructor at Sunway University.