Gillian Ziegler is GMF's alumni relations coordinator and helps to engage the more than 4,000 alumni of GMF's leadership programs. He manages the alumni database and coordinates the alumni relations office's outreach and engagement activities with GMF’s development team.

Prior to joining GMF, Ziegler worked at the Silverado Policy Accelerator, a nonprofit, bipartisan policy organization dedicated to solving geopolitical challenges in trade and industrial security, economic and ecological security, and cybersecurity. He was also a researcher at the University of Notre Dame, focusing on religion and right-wing political parties in Central Europe. From 2015 to 2017 he served as a Peace Corps volunteer in Tanzania.

Ziegler holds a master's degree in international relations from Tufts University’s Fletcher School of Law and Diplomacy and a bachelor's degree in history from Goucher College. 

Rachel Mlinarchik is GMF’s managing director of development. She was previously national philanthropy director at SBP, a national disaster response and relief organization, and she spent nine years at CARE, focusing on major and principal gifts, new market development, and strategic engagement. Her earlier professional experience includes fundraising roles at American University, Public Citizen, and the American Kidney Fund.

Mlinarchik is a trained diversity, equity, and inclusion (DEI) facilitator and taught English as a second language in Japan, Thailand, and the United States. She holds a master’s degree in international communication from American University’s School of International Service and a bachelor’s degree in English from George Mason University.