Jessica Ochalek is a Research Fellow in the Team for Economic Evaluation and Health Technology Assessment (TEEHTA) in the Centre for Health Economics at the University of York where she works primarily on global health. She holds an MSc in Health Economics from the University of York, a Master of Public Health degree from Boston University and a BA in Global Studies from the University of Wisconsin – Milwaukee. Prior to coming to York, she worked at the Boston University International Health Department, where she created an applied ten-year antiretroviral therapy (ART) costing exercise. She has also worked at the Organization for Economic Cooperation (OECD) and amfAR, The Foundation for AIDS Research. Additionally, Jessica has field experience in Malawi, has lived and worked in China, and founded an HIV/AIDS outreach program for commercial sex workers and volunteered as an HIV/AIDS lab technician and counselor.