Joseph Chatham,  Executive Director & Editor-in-Chief
JD, Yale Law School                                                                                                 MPA, Harvard Kennedy School
BA, Political Science and Sociology, University of Michigan

Joseph is pursuing a Juris Doctor at Yale Law School and a Master in Public Administration at the Kennedy School. He is interested in immigration and education policy along with increasing cooperation across the governmental, corporate and nonprofit spheres. He grew up in the United States and graduated from the University of Michigan with majors in Political Science and Sociology.

In the past, Joseph has worked in nonprofit administration and held research positions across a broad array of organizations focusing on diverse topics, such as economic inequality, international development, and the politics of compassion. Active in the community as well, Joseph has volunteered with multiple organizations in Ann Arbor, Cambridge, and New Haven.

Debora Ley

Debora Ley, Editor
DPhil in Geography and the Environment, Environmental Change Institute, University of Oxford
MSc in Civil Engineering, Building Systems Program, University of Colorado at Boulder
BSc in Electromechanical Engineering, Centro Universitario México División de Estudios Superiores

Debora is a Renewable Expert in USAID’s Central America Regional Clean Energy Initiative, working with TetraTech. Her DPhil dissertation topic analyzed if rural renewable energy projects can simultaneously meet the multiple goals of sustainable development, climate change mitigation, and climate change adaptation and if so, under what conditions, focusing on Guatemala and Nicaragua. Debora has worked at Mexico’s National Energy Savings Commission in the Cogeneration and Renewable Energy departments before joining Sandia National Laboratories, where she was the Program Manager for the Central America and Mexico Clean Energy and Environment Program, jointly funded by the US DoE and USAID. She has also worked as a consultant for the United Nations Economic Commission for Latin America and the Caribbean, the InterAmerican Development Bank, the Latin America Energy Organization, the World Bank and Chemonics. She is a volunteer with Engineers Without Borders, Johns Hopkins chapter and has published diverse articles on topics of rural renewable electrification, especially technical codes and standards, and diverse topics linking renewable energy, climate change and sustainable development.

Katherine MedinaKatherine Medina, Editor
BA in History, Harvard College

Katie is a native of Bridgeport, Connecticut and currently resides in Boston. She has been editing for S&S since 2013. A 2010 graduate of Harvard with a degree in History, she spent the year following graduation traveling around the world as a John H. Finley Fellow. Upon returning home she spent a summer as a New Sector Fellow in Boston working on quality assurance with Boston Senior Home Care (BSHC). After a year with BSHC she took up a position with Goodwill Industries of Denver working as a member of their Program Monitoring and Evaluation group.  More recently she has returned to Boston and now works for Morgan Memorial Goodwill Industries in South Boston as their Quality Assurance Manager.

Sydney-Johanna Stevns, Editor
MA in Law and Diplomacy, The Fletcher School at Tufts University                       BS in Liberal Studies, Northeastern University 

Sydney-Johanna Stevns currently works as the Manager of the Massachusetts Institute of Technology’s Denmark program under its International Science and Technology Initiatives. Previously, she worked in the Climate Program at World Resources Institute, supporting Latin American countries in their NDC implementation. She has a Master of Arts in Law and Diplomacy from The Fletcher School at Tufts University, focused on Development Economics and International Environment and Resource Policy. She received her Bachelor’s from Northeastern University and was previously a Fulbright Fellow in Java, Indonesia. Her interests include food sustainability, agricultural development, and the circular economy.