**About the Editors**

**Tivani Mashamba-Thompson** is a full professor in the Faculty of Health Sciences, University of Limpopo, South Africa. She is a medical scientist (Molecular Biology), and is registered with the Health Profession Council South Africa. Mashamba-Thompson conducts research on the implementation of point-of-care diagnostics for the underserved population in resource-limited settings, and performs evaluation studies for new point-of-care diagnostics in these settings. She completed her Honors Degree in Applied Biomedical Science at the University of Surrey, UK, and her master's in Pharmaceutical Science (summa cum laude) and PhD in Public Health at the University of KwaZulu-Natal. Her postdoctoral training was completed with the Canadian HIV Clinical Research Network. At the University of Limpopo, Mashamba-Thompson coordinates and teaches research methods and program evaluation modules to Masters students in the Department of Public Health. She also serves as a research chairperson for the Department of Public Health, and is a member of the university senior management committee. Prior to joining the University of Limpopo, Tivani was an academic leader and research and associate professor at the University of KwaZulu-Natal. She is the author of more than 80 peer-reviewed articles in accredited journals, including high impact journals, such as Lancet and Nature. To date, she has led and supersized five funded research projects, and supervised 14 master's students and two PhD students to completion. Tivani is a member of the COVID-19 scientific advisory committee for the Limpopo Province, and she is one of the site primary investigators for a national study aimed at the community-based validation of new COVID-19 point-of-care tests in South Africa. Prof. Mashamba-Thompson's research work on point-of-care diagnostics has been recognized nationally and internationally. She achieved her first NRF (National Research Framework) rating in 2017, and she was invited to join the University College London (UCL) Collaboration for the Advancement of Sustainable Medical Innovation (CASMI) fellowship. Mashamba-Thompson is also a Harvard Medical School (HMS) alumna; she completed the HMS 2017/2018 Global Clinical Scholars Research Training (GCSRT) with commendation.

**Paul K. Drain**, MD, MPH, is an assistant professor in the Departments of Global Health, Medicine (Infectious Diseases), and Epidemiology at the University of Washington, and a practicing Infectious Disease physician at Harborview Medical Center and the University of Washington Medical Center in Seattle. His research group focuses on the development, evaluation and implementation of diagnostic testing and clinic-based screening, including novel point-of-care technologies, to improve clinical care and patient-centered outcomes for tuberculosis and HIV in resource-limited settings. He is Associate Director of the Tuberculosis Research and Training Center at the University of Washington. He research has been supported by several institutes of the National Institutes of Health, the Infectious Disease Society of America, the Bill and Melinda Gates Foundation, Harvard Global Health Institute, both the UW's and Harvard's Center for AIDS Research, and the AIDS Healthcare Foundation. He has authored several global health books and received awards from the Infectious Disease Society of America, and a Faculty Teaching Award from Harvard Medical School.
