2013: Specialized Doctor in Paediatrics, University of Health Sciences, Phnom Penh
2009: Bachelor of Medical Doctor, University of Health Sciences, Phnom Penh
Dr. Pen began practicing medicine in 2009 at various hospitals in Phnom Penh. She also received training in Siem Reap. She worked as a medical doctor at Sokhapheap Thmey Clinic and joined the Paediatrics team at Khema Clinic 2013.