CCPS Staff


Amy Larrabee Cotz

CCPS Fellow
Associate Editor, The Correspondence of Zachary Taylor and Millard Fillmore Project

Amy Larrabee Cotz joined CCPS as an associate editor of the Correspondence of Zachary Taylor and Millard Fillmore and CCPS fellow in May 2021. A historian and a documentary editor, Amy spent the past nine years at the Dolley Madison Digital Edition, an award-winning project at the University of Virginia. Before that she researched the lives of enslaved Black Americans at the Virginia Foundation for the Humanities and the Montpelier Foundation.

Ryan DeTamble

Managing Editor, Congress & the Presidency Journal

Ryan M. DeTamble assumed the role of Managing Editor for Congress & the Presidency journal in Fall 2021. Ryan is a PhD candidate in the Department of Government at American University, where he studies American political behavior and institutions. He has written extensively about these topics, including in the volume The Politics of Truth in Polarized America (Oxford University Press). Ryan holds a B.S. in Political Science from Texas Christian University. He is originally from Elgin, Illinois.

Sophie Frantz

Assistant Director, Public Affairs and Advocacy Institute

Sophie Frantz is the Assistant Director of the Public Affairs and Advocacy Institute and has been a part of CCPS since January 2020. In this role she helps the Director organize workshops and courses discussing ethical lobbying and political influence in advocacy. She also works to coordinate guest speakers, develop a schedule of events, and works with SPA to manage and execute PAAI. Previously, Sophie has worked in both state and federal politics, working for the Maine Department of Economic and Community Development, the US Senate, and working on a Congressional campaign. She has also held positions working in the non-profit and private sector, interning for Planned Parenthood, the Maine Women’s Lobby, and Unum. Sophie is currently a BA/MA student at American University pursuing her Master’s in Public Administration after receiving her BA in Political Science with a specialization in Public Policy in December 2021.

Hannah Purkey

Program Coordinator, Center for Congressional and Presidential Studies

Hannah serves as the Program Coordinator for the Center for Congressional and Presidential Studies at the School of Public Affairs. In this role, she is responsible for the administrative and operative functions required to carry out the research, events management, financial management and administrative and staff support for CCPS. Hannah has worked for American University since April 2017, holding positions at the Washington College of Law: Program on Law and Government, and at the Office of Development. Hannah is from Pittsburgh originally and graduated from the University of Pittsburgh with a B.A. in Communication and Rhetoric. She recently completed her M.Ed in Education Policy and Leadership at American University.