Dr. William Wells, PhD, is a Senior TB Technical Adviasor at USAID, where he provides technical guidance globally and to individual countries on TB implementation, with a special focus on Public-Private Mix (PPM) and operations research. He regularly provides programmatic and work-planning guidance across all TB topics to USADI missions and project in Bangladesh, Ethiopia, India, Indonesia and Myanmar. He has contributed to international guidance on the End TB Strategy, social protection, measurement of catastrophic cost for patients, and integration of TB activities into national health insurance. He is the past co-chair and current vice-chair of the Stop TB Partnership´s working group on PPM, and has been a topic and/or team leader on national TB program reviews in Bangladesh, Indonesia, Kenya, Myanmar, Nigeria, Philippines, and South Africa.

He was fomerly the Director, Market Access, at the Global Alliance for TB Drug Development (TB Alliance), where he had responsibility for planning and oversight of the orgznization´s market readiness approach. The resulting research, intelligence, analysis and stakeholder engagement had and end goal of ensuring successful adoption, availability, and affordability of improved TB regimens. Over several years, he has also provided technical assistance for WHO WPRO and its country offices in Cambodia, Fiji, Lao PDR, Papua New Guinea and the Philippines on HIV programming, Global Fund Strategies, and cross-programmatic linkages.

William received his PhD. in cell biology from the Univerity of California, San Francisco, and a Master of Internaional Affairs, with a focus on economic and political development and public health from Columbia University in New York.