Our People

Born and raised in Haiti and based in Washington, DC, Jeffsky Poincy is a governance practitioner and policy analyst with more than a decade of experience across public administration, international development, the private sector, and civil society engagement.

His professional experience in Haiti includes roles within the Haitian public administration, international development, and the private sector. This cross-sector background has given him a grounded understanding of how Haitian institutions operate, how policy is implemented, and how government, civil society, businesses, and international actors interact.

In Washington, he has worked closely with Haitian civil society organizations, supported their engagement with U.S. policymakers and international partners, and briefed policymakers and diplomats on developments in Haiti.

Beyond Haiti, Jeffsky’s experience includes governance and peacebuilding work across West Africa and Western Europe. This international experience has strengthened his comparative understanding of institutional reform, civil society engagement, and the relationship between domestic realities and international policy approaches.

At Haiti Briefing, he leads the organization’s research and analysis, produces policy-focused publications, and engages policymakers, practitioners, and other stakeholders on Haiti’s governance and political dynamics.

Jeffsky established Haiti Briefing to provide rigorous and accessible analysis of Haiti’s governance and political dynamics. The platform reflects his practitioner perspective and commitment to grounding policy discussions about Haiti in Haitian expertise, institutional realities, and a clear understanding of how policies and political processes unfold in practice.

He holds a Master of Public Policy from Duke University’s Sanford School of Public Policy, as well as a Graduate Certificate in Latin American Studies. He also holds a master’s degree in international project management and a bachelor’s degree in economics and management from the Peoples’ Friendship University of Russia.

Jeffsky speaks Haitian Creole, French, English, and Russian.

Shayane Dalencourt-Simon is a Haitian-American policy and advocacy professional with experience in Congress, human rights, and Haiti-focused policy.

At Haiti Briefing, she supports congressional outreach, policy engagement, and communications, helping strengthen the organization’s engagement with policymakers and broader policy audiences.

She previously worked in the office of U.S. Senator Edward J. Markey and served as a Haiti Advocacy Fellow at Amnesty International USA, where she conducted policy research and engaged with U.S. policymakers and Haitian civil society organizations.

She holds a B.A. in Political Science from Emmanuel College.

Christian Labossiere is a Haitian-American international affairs and peacebuilding practitioner with experience in research, policy analysis, and conflict transformation.

At Haiti Briefing, they serve as Contributing Editor, supporting the development of the platform’s editorial standards and contributing to the review of its analysis and policy products.

Christian is an Adjunct Lecturer at Georgetown University. They hold a Master of Arts in Conflict Resolution from Georgetown University and a bachelor’s degree in International Affairs from Florida State University.