The Board

David Glietz, President

BioBookDavid Glietz is currently a member of the Civil Service at the Department of State. He has held positions in the Bureau of Overseas Buildings Operations, the Executive Office for the Bureau of Near Eastern Affairs and the Bureau of South and Central Asian Affairs, and the Executive Secretariat. David entered the Department of State through the Pathways Internship Program. Prior to being elected GLIFAA President, David had served as GLIFAA’s Secretary and Treasurer since 2015. In addition to serving on the GLIFAA Board, he also serves on the Board of Directors for the Highwood Theatre; a non-profit theatre based in Silver Spring, Maryland.

David holds a BS in Public Administration from George Mason University and has completed coursework at Beijing Language and Culture University in China. He is originally from Pennsylvania and currently resides in the District of Columbia.


Leslie Moeller, Vice President for State

Leslie Moeller_Photo

Originally from Chicago, Leslie joined the Foreign Service in 2006 as a Management-coned officer with the Department of State.  She has served overseas in the Middle East, Africa, and South Asia.  In Washington, Leslie has worked in the Operations Center, the Office for Management Policy, Rightsizing, and Innovation, and the Bureau of East Asian and Pacific Affairs.  This is her first time serving on the GLIFAA Board.




Sarah Yeiser, Vice President for USAID and Other Agencies 

Sarah Yeiser joined USAID in 2015 as an intern working in the Office of HIV/AIDS in the Global Health Bureau. Sarah continued her career in the Office of HIV/AIDS and is currently a program analyst with the key populations and human rights branch and integrated services branch teams. In this role, Sarah primarily works with her team to promote and expand high quality HIV services and rights-based approaches for key populations around the globe. Before USAID, Sarah worked as registered nurse for five years in a hospital setting and also received her MPH from the University of Kentucky School of Public Health in 2014. Sarah is originally from Kentucky and currently lives in Washington, DC.

Vacant, Secretary and Treasurer



Jeffrey Warner, Director of Policy 

JeffWarnerJeffrey Warner is a Foreign Service Officer serving in Washington, DC covering Vietnam, ASEAN, and South China Sea Issues.  He joined the Foreign Service in the 162nd A-100 class in July 2011.  His first tour was as a Consular Officer in Shanghai, China.  His second tour was as a Political Officer in Rangoon, Burma where he was the lead political officer covering elections and domestic politics.  Jeffrey coordinated a 50-person Embassy election observation mission covering every state and region in Burma for its historic 2015 elections.

Before joining the Foreign Service, Jeffrey worked as a Cruise Director on the Yangtze River in China for a U.S. cruise line.  He studied Asian Studies and Chinese Language at Vassar College in Poughkeepsie, New York.  He earned a certificate in Chinese Studies from the Johns Hopkins University-Nanjing University Center for Chinese and American Studies in 2007.  He completed his masters from the University of California, San Diego School of Global Policy Solutions with a focus on Southeast Asia and Public Policy.  Jeffrey is a native of the Mojave Desert in Southern California.  He lives in Washington, DC with his husband Anchises and their dog, ShenmeShenme.


Emily Ruppel, Social Director

Emily Ruppel is a Foreign Service Officer in the Department of State, currently serving in the Bureau of Western Hemisphere Affairs.  She joined the Department in 2011 and has served overseas assignments in Port-au-Prince, Haiti and Santiago, Chile.  Emily received a B.A. from The George Washington University in International Affairs and an M.A. in International Development and Certificate in Global Health Affairs from the University of Denver.  She is a returned U.S. Peace Corps Volunteer (Kenya 2007-2008).  Originally hailing from Minnesota, Emily currently resides with her wife in the District of Columbia.

Vacant,  Director of Communications & Outreach