Leigh Raithby is a policy and advocacy officer at Results Canada, a nonprofit advocacy organization committed to generating the political will to end extreme poverty, where her work focuses on tuberculosis. Leigh is also a secretariat member of Stop TB Canada, a network connecting people, organizations, and communities committed to ending tuberculosis at home and abroad.

Leila Hessini serves as the vice president of programs at Global Fund for Women and oversees its strategic grantmaking, movement-strengthening, voice, and advocacy efforts. She is a global feminist leader and social justice advocate with over 20 years of organizing and grantmaking experience promoting an intersectional lens to advancing human rights, gender equality, and economic and reproductive justice in the United States and globally.

Leila Makarechi is vice president of the enterprise team at PhilU, the premier training solution for social impact professionals. She has over a decade of social entrepreneurship experience as an operator, running an impact fund and advising early stage companies, and is excited by the promise of technology to tackle social inequalities. Makarechi has led teams on five continents, scaled up a health care social enterprise from three people to more than 1,000 across four continents, and has been the youngest member of a United Nations agency. Previously, she led Coursera's government enterprise business to help countries upskill their workforce.

Before becoming director of international development at ISGlobal in 2014, Leire Pajín Iraola was Spain's minister for health, social policy and equality, before becoming a special adviser to the Pan-American Health Organization and a policy adviser to the United Nations Development Program. Earlier in her career, as secretary of state for international cooperation and president of the Spanish Agency for International Development Cooperation, she was involved in the development of the Master Plan for Spanish Cooperation (2005-2008) which increased Spanish official development aid threefold to 0.5 percent of GDP.

Leith Greenslade leads JustActions, a global campaign to mobilize action around ten initiatives with the power to accelerate progress to a more just world rapidly, sustainably and irreversibly. For more information, email leith@justactions.org.

Leith Greenslade is the founder and CEO of JustActions and coordinator of Every Breath Counts, a coalition of more than 100 organizations working together to reduce deaths from pneumonia.

Leith Lombas is a research associate at JBS International. He has 12 years of experience in social science and nonprofit research, education and training. His areas of expertise include evaluation design, qualitative and mixed methods research, empowerment and participatory evaluation design and approaches, gender and international development, violence and violence prevention, homelessness and HIV/AIDS prevention. He has extensive knowledge of social theory, feminist theory and gender studies.

Lelei LeLaulu is a development entrepreneur lurking at the confluence of climate change, tourism, food security and renewable energy. A coordinator of the Oceania Sustainable Tourism Alliance, Lelei is also executive director of the Small Island Developing States Climate Action Program of the Earth Council and president of Sustainable Solutions, a renewable energy company in the Dominican Republic. He was president and CEO of the development and humanitarian agency Counterpart International after serving the United Nations on a series of summits and global conferences which in the 1990s defined the international development agenda. The former journalist hails from Samoa.

Len Ishmael is a former U.N. diplomat and ambassador to the EU, a professor of geopolitics at the Mohammed VI Polytechnic University in Morocco, and a senior fellow at the Policy Center for the New South and the German Marshall Fund. She is an international speaker and author on subjects related to the global south, BRICS, and evolving power dynamics in a multipolar world.

Leni Wild is the public goods and services team leader at the Overseas Development Institute. She is an expert in political economy and service delivery, accountability and aid, focusing on fragile and post-conflict countries. Her country experience includes Kenya, Liberia, Malawi, South Sudan, Uganda, China and Nepal.