Larkin Callaghan

Larkin is a global HIV and infectious disease expert specializing in research communications and health diplomacy with over 15 years experience in over 20 low-middle income countries in Africa, Latin America, and the Caribbean. She is the Global Lead, Public Affairs, for PrEP and HIV Prevention at Gilead Sciences.

Larkin previously worked at UCSF and Stanford, expanding HIV, TB, and malaria research and clinical operations around the globe and devising communications and partnerships strategies to enhance capacity building, at multiple NGO and community-based organizations, as a harm reduction counselor for adolescents and young adults, and in a variety of public health positions within government. She has negotiated Ministry-level stakeholder relationships in multiple countries, led PEPFAR trial implementation teams in sub-Saharan Africa, and served as an advisor for global public health start-ups and scholars.

She previously served as a United Nations correspondent and a research reporter focused on women’s health and healthcare in conflict regions. For elected and appointed officials at local, national, and global levels, she has advised on media and communication strategy pertaining to HIV and global health policy.

A 6th generation San Francisco native, Larkin received her master’s, doctorate, and post-doctoral training in public health and health behavior from Columbia, and her BA from University of Southern California. She serves on the Board of Komera, on the Ginetta Sagan Fund of Amnesty International, and is a member of the Junior League. Larkin co-chaired the AIDS2020 Local Planning Group, serving Bay Area communities represented at the 23rd International AIDS Conference.