Based at the AKS pulmonary ward, Chhoun works as a nurse and Social Worker with a focus on HIV-1 patients.

An was born in Svay Rieng Province and is a long time member of CHC, working as a TB home care nurse in Svay Rieng. He has revcently relocated to Phnom Penh where he is working on the KFSH pulmonary ward.

Rasy earned his nurse and medical assistant degree from the Health Science Medical Center Site II North run by the American Refugee Committee (ARC). He recently earned his Bachelor of Science Nurse's degree from Chenla University in Phnom Penh. Before joining CHC in 2010, Rasy was involved in providing nursing care to the poor at Sihanouk Hospital Center of HOPE. At CHC, Rasy began his career as the pediatric coordinator and was recently promoted to pulmonary ward/DR TB program manager.

Dr. Sarith graduated from the Faculty of Medicine of the University of Health Sciences in 1973. He is the drug-resistant TB clinician at Khmer Soviet Friendship Hospital providing medical care to all drug-resistant TB patients at all treatment sites and patient's homes since the program's beginning in 2007.

After graduating from the faculty of medicine, University of Health Sciences in 2002, Dr.Vorphorn joined Maryknoll as a physician providing OI/ART services to HIV-infected children. Dr. Vorphorn joined CHC in 2011 as a physician upon the transfer of children with HIV cohort CHC at Khmer Soviet Friendship Hospital. He also served as pediatric AIDS care coordinator and clinical monitor. Dr.Vorphorn has provided care and treatment to approximately 400 HIV-infected children.