GMF Cities

Katerina Geisler is a senior program coordinator for the GMF Cities team. She focuses on projects that link city and international affairs, and that connect cities on both sides of the Atlantic so that they can better tackle shared local challenges.

Geisler has experience working in democracy and international cooperation. She joined GMF from the Securities and Exchange Commission’s Office of International Affairs. Before that, she worked as a policy analyst for a US congressional campaign.

Geisler holds a bachelor’s degree in international relations and political science from Florida International University and an executive course certificate in subnational diplomacy from The George Washington University.

Hannah Abdullah is a senior program officer and fellow in the GMF Cities program. She leads GMF Cities’ work on climate justice and sustainability, which supports transatlantic cooperation for achieving an inclusive green transition that starts locally. Abdullah regularly speaks and publishes on the role of cities in global and European climate governance, as well as in the transition toward sustainable development. She is based in GMF’s Brussels office.

Simone Mangili is currently a Senior Program Officer at the Compagnia di San Paolo Philanthropic Foundation, focused primarily on initiatives and strategic projects at the nexus of sustainability, resilience, and equity. Prior to joining the Compagnia di San Paolo, Mangili served as Aide to the Mayor of Torino, Italy, and Aide to the Deputy Mayor for Environment and Sustainability. In this capacity, he was responsible for managing strategic planning projects requiring cross-sector collaboration and for developing policy and delivering projects to realize an ambitious sustainability agenda for the 21st century.

Henri-Paul Normandin was formerly Visiting Distinguished Fellow at GMF.

Tarsi Dunlop serves as a Senior Program Officer for GMF Cities at The German Marshall Fund of the United States. Dunlop is committed to building governance capacity and infrastructure at the local level with more than a decade of nonprofit experience. She served as a Program and Membership Associate and a Policy and Program Manager for Local Progress at the Center for Popular Democracy from 2015 to 2021. Prior to that, she was the Program and Operations Manager at the Learning First Alliance, a national partnership of education associations committed to strengthening public schools for all children. From 2009 to 2011, Dunlop was the Director of Operations and Communications at the Roosevelt Institute | Campus Network (now the Roosevelt Network), the nation’s first student policy organization.