As the director of advocacy, Dr. Tessa Oraro-Lawrence leads global policy and financing advocacy efforts at the Community Health Impact Coalition, a field catalyst created by health practitioners in more than 30 countries to make professionalized community health workers a norm worldwide. She holds a Ph.D. in epidemiology with a focus on health financing.

Tessie San Martin is a co-chair of the Modernizing Foreign Assistance Network and president and CEO of Plan International USA.

Tessie Tzavaras Catsambas is president and chief financial officer at EnCompass. She is an evaluation and knowledge management expert with more than 25 years’ experience in evaluation, quality improvement and innovation. Her work has included supporting organizational change in response to health reform, managing global evaluation projects, program design, corporate strategy development and e-learning program development.

Teta Mukulira is a policy analyst in Development Reimagined’s decolonizing development team, with a background in law and politics. As a Pan-Africanist, she’s driven by advancing equitable development across the continent. She holds an LLM in Human Rights Law from the University of Nottingham and a B.A. in Law and Politics from the University of Kent.

Tetiana Gaviuk is a programs specialist at Nonviolent Peaceforce. Before this, she worked at NP in South Sudan. She previously worked in the occupied Palestinian territories, Iraq, Syria, and Mongolia as a communications and advocacy specialist for various humanitarian agencies.

Thabani Maphosa is Gavi’s managing director of country programs delivery, overseeing the vaccine alliance’s operations in 73 countries. The country programs delivery department’s raison d'être is to harness the power of Gavi for countries to save the maximum number of lives through immunization.

Thabi Leoka is part of the steering committee of the Finance for Development Lab, an economic think tank launched in June 2022. She an independent director at MTN South Africa and Anglo American Platinum and an economist at the Small Business Institute. She has notably served as a member of the commission of inquiry into the Public Investment Corporation, the largest pension fund in Africa. She was also appointed by the South African minister of finance to review the country’s system of taxation of staple goods. Leoka was named 2017 Economist of the Year by ABSIP.

Thabit Masoud is the program director for sustainable agriculture and land management at CARE Tanzania.

Thalie Bareilles currently works as a corporate partnerships officer for the International Committee of the Red Cross in Geneva, Switzerland. Prior to this, Thalie mainly held positions in communications and marketing in the private sector. She worked for large multinationals including Total and Orange Business Services, in Paris and Washington, D.C. Thalie holds a M.A in risk, opinion and communications strategy and a B.A in corporate communications, both from Sorbonne University (CELSA) in Paris, France.

Thanawat Tiensin is chairperson of the United Nations’ Committee on World Food Security and permanent representative of Thailand to the U.N. agencies in Rome.