Who We Are

Kathy Postel Kretman, Ph.D.


Kathy Postel Kretman, Ph.D., is the Director of Georgetown University’s Center for Public and Nonprofit Leadership; Waldemar A. Nielsen Chair in Philanthropy; and Research Professor at the McCourt School of Public Policy. She has devoted most of her career to the development of leaders in the public, nonprofit and philanthropic sectors. One of the highlights of Dr. Kretman’s career has been directing Georgetown’s nationally recognized nonprofit executive certificate program, which now has more than 1,400 alumni across the globe. Additionally, she has directed customized leadership programs for organizations such as the USAID, the Qatar Foundation, United Way International, the International Monetary Fund, National Urban League, the National Hispana Leadership Institute and the Prosperity Now’s Racial Wealth Divide Initiative. Earlier in her career, Dr. Kretman advised chief executive officers on corporate social responsibility; researched community and economic development issues in New York City; and investigated discriminatory practices in employment, voting rights, and municipal service delivery for the U.S. Department of Justice’s Civil Rights Division. She holds a Ph.D. in Political Science from the University of Maryland, an M.A. in Public Administration from George Washington University, and a B.S. from the University of Texas at Austin. Click for more

Luisa Boyarski, Ph.D.


Luisa Boyarski, Ph.D. is the Associate Director of the Center for Public & Nonprofit Leadership. She is involved in developing and executing the Center’s many executive education and customized programs and representing the Center at Georgetown University and in the broader community. She recently researched and wrote Advancing Racial Equity Within Nonprofit Organizations. Dr. Boyarski frequently conducts workshops and gives keynote addresses on NGO Management and High Impact NGOs to international delegations, including trainings in China, Colombia, Hungary, Mongolia, Panama and Romania. She has also co-taught an undergraduate course on Philanthropy and Social Change. Prior to working at CPNL, she was the Executive Director of a D.C. based nonprofit working on global warming prevention with Arctic indigenous people. She currently leads a coalition of grassroots groups in Virginia, representing over 10,000 citizens. Dr. Boyarski received her Ph.D. in Comparative Government from Georgetown University, with a research focus on the role of nonprofit coalitions in public policy advocacy. Click for more

Gary Bass, Ph.D.


Gary Bass is Senior Fellow at the Center for Public and Nonprofit Leadership and Executive Director Emeritus of the Bauman Foundation. Gary is known within philanthropic circles for his leadership in promoting a fair and accurate census, drawing fair congressional and state district lines, and other civic engagement issues, particularly those related to economic inequality and promoting government accountability. Prior to working in philanthropy, he founded and, for twenty-eight years, directed OMB Watch, a nonprofit organization promoting greater government accountability, transparency, and increased citizen participation in public policy decisions, which merged with Project On Government Oversight in 2016. An expert on federal budgetary, program management, regulatory and information policy issues, Gary has published extensively, testified before Congress, appeared on national television, and presented to groups across the country. He has received numerous awards, served on various boards of nonprofit organizations, and participated in multiple federal government committees. Prior to OMB Watch, Gary worked for the Human Services Information Center and the U.S. Council for the International Year of Disabled Persons. Gary earned his doctorate from The University of Michigan.

Marlon Marshall


Marlon Marshall is the Nielsen Visiting Practitioner in Philanthropy at the Center for Public and Nonprofit Leadership. In this role, Marlon will co-teach with Dr. Kathy Kretman, Philanthorpy, Power and Politics, for master’s students in the McCourt School of Public Policy. Marlon brings a wealth of experience and passion for grassroots organizing to his current role as Partner at the City Fund, where he works with local leaders in cities across the country to create innovative public school systems. Marlon previously served as Special Assistant to President Obama and Principal Deputy Director in the White House Office of Public Engagement, where he helped lead the on-the-ground enrollment effort for the historic Affordable Care Act. He was also instrumental in helping the Administration launch the My Brother’s Keeper Community Challenge, a program that worked with cities and focused on making sure young people of color and all youth have a chance to succeed. In 2017, Marlon was a Fellow at the Georgetown Institute of Politics and Public Service, where he led weekly discussions with students committed to making politics work better. Marlon hails from St. Louis, Missouri has a B.G.S. from the University of Kansas and a MPM from Georgetown University.

Adam Ambrogi


Adam Ambrogi is a Visiting Practitioner at the Center for Public and Nonprofit Leadership and the Senior Director for Voting and Elections at the national League of Women Voters. At LWV, Adam works to connect all the strengths of the League in a way that improves the power and voice of voters. Prior to that, he served for more than eight years as Director of the Elections and Voting Program at Democracy Fund where he led grantmaking, strategy, education, and engagement. Adam previously served as Chief Counsel for the U.S. Senate Committee on Rules and Administration and prior to that as Special Assistant and Counsel for Commissioner Ray Martinez III of the U.S. Election Assistance Commission (EAC). Adam received his law degree in 2002 from the University of Texas-Austin and a bachelor of arts in Government and Sociology from the University of Virginia. In 2018, Adam received an Executive Certificate at the Institute for Transformational Leadership at Georgetown University.

Julian Haynes


Julian Haynes is a Visiting Practitioner at the Center for Public and Nonprofit Leadership and Partnerships and Strategy Director at the Meyer Foundation, where he focuses on the Foundation’s grantmaking in Prince George’s and Montgomery counties in Maryland. Before joining Meyer in 2016, Julian was an associate director of programs and policy at Achieving the Dream, a national reform network dedicated to community college student success and completion. In that role, Julian oversaw the day-to-day management of the Working Student Success Network, a national initiative focused on providing comprehensive nonacademic services to low-income community college students. Prior to his role with Achieving the Dream, Julian was a program associate on the education team at the Kresge Foundation, where for three years he helped manage a national portfolio of grants supporting efforts to increase post-secondary degree attainment for low-income students and students of color. Julian holds a bachelor’s degree from Morehouse College, and a master’s in nonprofit management from Milano The New School for Management and Urban Policy. 

Andreas Kern, Ph.D.


Andreas Kern is visiting Assistant Professor at the McCourt School of Public Policy. He teaches in the areas of international political economy and development economics. His research mainly concentrates on the political economy of macroeconomic and financial governance in developing and transition economies, and has been published in internationally renowned journals. Previously, Dr. Kern has been a Senior Research Fellow at the Jean Monnet Centre of Excellence for European Integration at Freie Universität Berlin. In this role, he has been engaged in various scientific and consultancy projects for the European Commission and the German government. Andreas Kern earned his Ph.D. in Political Economy from Freie Universität Berlin and holds an M. A. in economics from Ludwig Maximilians Universität in Munich.

Tatiana Fredrick


Tatiana Fedrick is the 2021-2022 Eisenberg Public Interest Fellow at the Center for Public and Nonprofit Leadership. She is pursuing a Masters of Public Policy degree at McCourt with a focus on Social Policy. Tatiana is interested in inequities and racial disparities present in social policy and health systems. Tatiana previously studied at Colgate University where she received a B.A. in Sociology with a minor in Peace and Conflict Studies.

Olivia Henry


Olivia Henry is the Communications Assistant at the Center for Public and Nonprofit Leadership. She is an undergraduate at Georgetown University studying Government and Women and Gender Studies. Currently, she is a part of the inaugural Black Interfaith Fellowship at Georgetown’s Campus Ministry, where she has worked to increase representation and resources in non-Christian spiritual practices for her fellow Black-identifying peers. Olivia has also worked on several local campaigns and has been heavily involved in School Board politics. She has extensive experience in education, in recent years tutoring and working at her local Boys and Girls Club. In her free time, Olivia enjoys reading lighthearted fiction, hiking, and exploring her current home, Washington, D.C.

Maria Paredes


Maria Paredes is the Office Assistant at the Center for Public and Nonprofit Leadership. Maria is a junior in the School of Foreign Service majoring in International Politics with a focus on Foreign Policy and Policy Processing. She is extremely passionate about immigration policy and social justice reform and has interned in various legal and governmental institutions. This includes working as a Legal Assistant at the Houston firm, Johnson Law Group, and as a Communications Social Media Leader for Georgetown-Alumnus, Luisa Santos and her successful Miami-Dade School Board Campaign. On campus, Maria is involved in the Georgetown’s Scholars Program as an upperclassman mentor for incoming first year students. In addition, Maria is a member of the Justice and Diversity in Action, Living Learning Community (LLC) at Georgetown. There, she participates and upholds the principles of the LLC, which is to actively engage, learn, and educate oneself and others on important social issues within campus and the greater DMV area.