Dr. Khumsaen is a nursing instructor at Boromarajonani College of Nursing, Sanpasithiprasong, Faculty of Nursing, Praboromarajanok Institute, Thailand.She holds a PhD (nursing) from the Case Western Reserve University, USA. She was a post-doctoral trainee in the University of Michigan School of Nursing Strengthening NCD Research and Training Capacity in Thailand program (D43 funded by NIH). Her research interest has focused on HIV/AIDS, risky behaviors among vulnerable populations, including LGBTQ. While in her post-doctoral training program, she examined the perception of HIV/AIDS as a chronic disease among late adolescents and men who have sex with men (MSM) living in Thailand.