Sharonann Lynch has worked for more than 20 years in the global health, access to medicines, and humanitarian fields. She joined Doctors Without Borders/Médecins Sans Frontières (MSF) in 2006, working for four years in MSF projects in southern Africa, primarily focused on introducing innovative models of community-based treatment, care, and adherence support and changing national policies to support improved quality of HIV and TB care. For the last 12 years, she has served as the Senior HIV and TB Policy Advisor of MSF’s Access Campaign, influencing the policies of national governments, bilateral and multilateral donors, pharmaceutical corporations, and other global health actors and leading numerous advocacy efforts related to innovation of and equitable access to diagnostics and therapeutics for HIV and TB. More recently, Sharonann has focused on access to COVID-19 diagnostics and vaccines. Prior to joining MSF, Sharonann was a founding member of Health Global Access Project (GAP) and its Director of International Advocacy. She currently serves on the UNAIDS Advisory Group, the UNAIDS Scientific and Technical Advisory Committee, the Board of Health GAP, and the Board of TB Europe Coalition. In the 1990s, Sharonann was an active member of the AIDS Coalition to Unleash Power (ACT UP) New York and started the Memphis chapter of ACT UP and the New York group Fed Up Queers. She has published numerous articles in peer-reviewed journals, co-authored dozens of reports, spoken at numerous scientific conferences, and been quoted extensively in the media.