Alejandro Castillejo Cuéllar is a commissioner at the Colombian Truth Commission. He is currently an associate professor in the Department of Anthropology at the Universidad de los Andes and director of the program for Critical Studies of Political Transitions. Castillejo holds a degree in anthropology from the National University of Colombia, a master’s degree in peace and conflict studies from the European University Center for Peace Studies, and a doctorate in anthropology from The New School for Social Research. His work and research focus on memory, violence, and the dynamics of small-scale peace, which he has studied in countries around the world.

Aleksandar D. Jovovic is a senior associate at Avascent, a Washington DC-based management consulting firm focused on the intersection of the business and public sectors. Since joining in 2007, Alek has advised organizations on public sector opportunities and market entry strategies. Previously, he has held positions with Vantage Partners, CENTRA Tech and the Brookings Institution, among others.

Aleksander Dardeli is vice president of IREX, an organization that works globally to strengthen the quality of governance and education. He has directed major good governance reform initiatives in developing and transition countries. Between 2006 and 2008, he led a high-profile project in the Office of the Prime Minister of Kosovo that provided policy advice to the prime minister, developed capacity in key institutions, and increased citizen participation in the lawmaking process.

Alemayehu Konde Koira is the economic opportunities for youth program manager at The MasterCard Foundation. Alemayehu has a focus on youth employment and entrepreneurship in agriculture.

Alene McMahon is the president and chief executive officer of Crown Agents USA, an organization working for greater global prosperity. A private sector development practitioner, prior to joining Crown, she served for 16 years in project and corporate leadership positions at Chemonics International. Her career in international development began with Peace Corps service in Togo, and has seen her work in 17 countries across Africa, Asia, and the Middle East.

Alessandra Pigni is a humanitarian psychologist and staff care specialist with several years of experience in the Middle East. After serving with Médecins Sans Frontières/Doctors Without Borders in Palestine and China, she has dedicated her work to understanding the connection between meaningful work and burnout. Her new book The Idealist’s Survival Kit. 75 Simple Ways to Avoid Burnout (https://www.amazon.com/Idealists-Survival-Kit-Prevent-Burnout/dp/1941529348) is out now. You can follow her blog www.mindfulnext.org and connect with her on Twitter @mindfulnext.

Alessandro Maffioli is chief of the development effectiveness division at IDB Invest. He oversees the organization’s Impact Management Framework, which includes a series of tools to measure and manage the development impact of investments from beginning to end. During his 16 years of experience at the IDB Group, Alessandro has coordinated impact evaluations of projects in areas including agricultural development, science and technology, small and medium-sized enterprise productivity, and access to credit.

Alessia Chiocchetti completed a bachelor's degree in Middle Eastern studies and Arabic language from Cà Foscari University of Venice and a master's in human rights and humanitarian action at the University of Siena and Kingston University in London. She has interned with the U.N. Development Program in Yemen, worked with the International Volunteer Service Association in Lebanon, and served as a U.N. Children's Fund consultant. Alessia was a fellow in our Barcelona office from June to September 2007 before joining the Italian Association for Aid to Children as program coordinator in Phnom Penh, Cambodia. Alessia is a native speaker of Italian and fluent in English with a working knowledge of Arabic and Spanish.

Alessia Gianoncelli is the head of knowledge, community, and market development at EVPA, where she is responsible for research activities, content development, and data collection. Since 2014, she has co-authored publications, practical cases, and articles on venture philanthropy, impact measurement and management, impact strategies, the European impact ecosystem, as well as tailored and hybrid finance.

Alessio Perrone is a freelance editor and reporter at Devex. Throughout his career, he has reported on issues at the intersection of policy, environment and human interest for outlets including The Guardian, Scientific American, TIME, and others. He’s based in Milan, Italy.