Program Leadership & Faculty

Program Leadership

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.

Adjunct Faculty

Gary Bass, Ph.D.

Gary D. Bass, Ph.D. has been the executive director of the Bauman Foundation in Washington, D.C. since 2011, and has been an affiliated professor at Georgetown University’s McCourt School of Public Policy for more than a decade. At Bauman Foundation he focuses on democracy issues, including voting rights, census, and redistricting, economic justice, and government accountability. He founded and for 28 years directed OMB Watch, a nonprofit organization promoting greater government accountability and transparency and increased citizen participation in public policy decisions that has merged with Project On Government Oversight in 2016. An expert on federal budgetary, program management, regulatory and information policy issues, Bass has published extensively, testified before Congress, appeared on national television, and presented to groups across the country. In his role at OMB Watch, Dr. Bass is credited with leading numerous campaigns against federal regulatory attacks, the silencing of nonprofit advocacy, and unfair government spending cuts to those in need. He is also known for efforts to utilize information technologies to strengthen government transparency and increase nonprofit advocacy. He has received numerous awards, served on various boards of nonprofit organizations, and participated in federal government committees. Prior to OMB Watch, Dr. Bass worked for the Human Services Information Center and the U.S. Council for the International Year of Disabled Persons. Dr. Bass earned his doctorate from The University of Michigan.

Bea Boccalandro

Bea Boccalandro is founder and president of VeraWorks, a global consulting firm that helps companies design, implement and measure corporate involvement in societal causes, including supporting successful business-nonprofit partnerships and conducting social impact measurement. Her work includes helping Save the Children, USAID, FedEx, HP, PwC and other organizations measure social impact. Boccalandro focuses her corporate work on “job purposing,” defined as the management practice of heightening employee engagement, performance and wellbeing through workplace opportunities to support societal causes. Boccalandro authors the Job Purposing Blog (, is a frequent keynote speaker and is leading the UN’s IMPACT 2030 effort to measure the impact of corporate volunteering on the Sustainable Development Goals.

Cheryl Clarke

Cheryl Clarke is the Chief Executive Officer for the National Visionary Leadership Project (NVLP), a nonprofit organization housed at the American Folklife Center of the Library of Congress that preserves and collects video recorded oral histories of extraordinary African American elders to create professional development for K-12 teachers and curriculum support materials.  Prior to joining NVLP in 2008, Clarke worked at the Federal Home Loan Mortgage Corporation (Freddie Mac) for 25 years serving in several senior management positions, including senior director of the Freddie Mac Foundation Investments and Community Programs, director of communications in Community Relations, director of Diversity, and director of Human Resources and Business Support Services in the Atlanta, Dallas and Northeast operations.  In these roles she strengthened organizational capacity, led high-performing teams, developed and conducted competency and skills-based training for staff and management, created and directed the corporate diversity office and directed the human resource, facilities and financial and administration operations in the regional and headquarters operations.  Clarke provides management consulting and training to nonprofits including AARP, INROADS, SMYAL, Family Matters of Greater Washington, and the Executive Leadership Council.  Ms. Clarke is a graduate of the American University in Washington, DC with a BA in Psychology. 

Michael Gellman, CPA, CGMA

A. Michael Gellman, CPA, CGMA, is an independent Fiscal and Financial Strategist for nonprofit organizations and a founding principal partner for Fiscal Strategies “4” Nonprofits, LLC where the primary focus is helping legacy organizations and new organizations build and achieve a sustainable and financially healthy future. Mr. Gellman was a former 20-year Shareholder for Rubino & Company, Chartered, CPA’s and Consultants. Mr. Gellman has more than 35 years’ experience in nonprofit fiscal, financial and accounting systems working as a chief financial and management consultant where he has focused on specialized management and advisory services for trade and professional associations, public charities and endowment based foundations. He has conducted numerous seminars and has written articles on budgeting, reserve and investment policies, financial management, fiscal sustainability, leading economic indicators for nonprofits, and the impact on governance and transparency and accountability. Mr. Gellman teaches courses and has made presentations for numerous groups including Georgetown University, George Washington University, the D.C. Mayor’s Office, the U.S. Chamber of Commerce Institute for Organization Management (IOM), and the Washington Regional Association of Grantmakers. Mr. Gellman is a Past President of the Greater Washington Society of CPAs. He has also served on the Finance & Administration Section Council of the American Society of Association Executives and is serving on various nonprofit boards.

Erica Greeley

Erica Greeley is Vice President for Programs at Feeding America. Feeding America is the national network of 200 food banks that serve 46 million people through 60,000 local agencies across every county in the US. Erica oversees national programs to address child hunger and senior hunger, as well as Feeding America’s efforts to strengthen pathways out of hunger for working families. Prior to Feeding America, Erica held several senior positions at Independent Sector (the national leadership forum for charities, foundations, and corporate giving programs), where she researched trends facing the nonprofit community and drivers of success in public policy advocacy. In her role as Vice President of Networks, she oversaw network engagement and membership. Before joining Independent Sector, Erica served as the deputy director for the National Council of Nonprofits with responsibility for programs, public policy, and communications. Erica holds an MPP from the McCourt School of Public Policy at Georgetown University and a B.A. from Wesleyan University.

Mirsad Jacevic

Mirsad Jacevic is Vice Chair of Inclusive Security and has been integral to the conceptualization and the work of the organization since its founding in 1999. A native of Sarajevo, he attributes his inspiration to his experience supporting women peacebuilders working to stop the bloodshed and promote reconciliation in war-torn Bosnia and Herzegovina. Now, after two decades of finding practical solutions to seemingly intractable conflicts in more than 40 regions, he leads Inclusive Security’s effort to promote lasting, systemic change around the world by developing national action plans that ensure women’s leadership in peace and security affairs. Before joining Inclusive Security, Jacevic directed the Emerging Leaders Project at the State of the World Forum and managed reintegration efforts for child soldiers at Search for Common Ground. He teaches at American University, Georgetown University, and the School for International Training, with a special focus on transitional justice.

Monisha Kapila

Monisha Kapila founded ProInspire to develop leaders at all levels for the social sector, and leads the organization’s activities with 70+ nonprofit partners. Prior to launching ProInspire, she was a Senior Business Manager for Capital One Financial Corporation. Kapila has worked with a number of leading nonprofit organizations throughout her career, including ACCION International, CARE, and the Initiative for a Competitive Inner City. Kapila has been published in the Chronicle of Philanthropy, Stanford Social Innovation Review, the Huffington Post, and other publications. She serves on the Boards of National Human Services Assembly and AchieveMission. Kapila has an MBA from Harvard Business School, a BBA from the University of Michigan, and a Certificate in Leadership Coaching from Georgetown University. She has been recognized as Chronicle of Philanthropy’s 40 Under 40, HBS Leadership Fellow, American Express NGen Fellow, and America’s Leaders of Change.

Valeria Lassiter

Valeria Lassiter is CEO of Lassiter & Associates, LLC. With more than 25 years of experience in nonprofit development, fundraising designing and management to advance relationships and grow revenue for nonprofits, Valeria Lassiter is described by clients as a top results oriented strategist. She also has worked in public affairs and community-based organizations and in corporate philanthropy for a Fortune 500 company. Since 2003, Lassiter has served as lead instructor for resource development with the Georgetown University Executive Nonprofit Management Certificate Program. She holds a bachelor’s degree in communications from East Carolina University and a master’s of divinity from Colgate Rochester Divinity School. Valeria is currently completing her MBA from Babson College. She is a member of the Board of Directors for the National Educators Association (NEA) Foundation and a member of East Carolina University Foundation Board of Directors. 

Tram Nguyen

Tram Nguyen is an award-winning activist and community leader who helped found New Virginia Majority in 2007. Tram currently serves as New Virginia Majority’s Co-Executive Director, where she leads multi-racial, multi-issue campaigns using large-scale civic engagement, community organizing, advocacy, leadership development, and strategic communications. Under her leadership, New Virginia Majority has mobilized over 1.5 million Virginians – immigrants, people of color, women, low-income working people, and youth. Prior to joining New Virginia Majority, Ms. Nguyen organized and advocated on behalf of survivors of some of the country’s most devastating disasters – including the World Trade Center Rescue and Recovery Program at Mount Sinai Medical Center and organizing tens of thousands of Vietnamese immigrants throughout the Gulf Coast whose lives were devastated by Hurricane Katrina. Ms. Nguyen currently serves on the Board of Directors for the Eugene and Agnes E. Meyer Foundation, whose mission is to invest in solutions that build equitable communities. She is an alumna of Barnard College; a 2011 Lead the Way Fellow of the NYU Robert F. Wagner Graduate School of Public Service; and a 2012 Executive Fellow at the Center for Progressive Leadership.

Michela M. Perrone, Ph.D.

Michela M. Perrone, Ph.D., is President of MMP Associates, a consulting firm established in 1993 to support the successful development and increased effectiveness of organizations, boards and CEOs in the United States and Europe. She is a Senior Associate for Board Source, and an instructor for the Center for Nonprofit Advancement. Previously, Dr. Perrone was the President and CEO of the Joseph P. Kennedy Institute. She consults with hundreds of organizations in the U.S. and abroad in nonprofit governance, board and leadership development, and strategic planning. She was a Fulbright Scholar and earned a B.A. degree at Macalester College in St. Paul Minnesota, and a Ph.D. from the Union Institute and University.

Peter Reilly, J.D., LL.M

Peter Reilly, J.D., LL.M. is Associate Professor of Law at Texas A&M University School of Law in Fort Worth, Texas. His past scholarship has focused on servant leadership, emotional intelligence, and theories of influence and persuasion within the context of negotiation. From 2002-2005, Reilly was a Hewlett Fellow in Conflict Resolution at Georgetown University Law Center during which time he also began teaching within the University’s Center for Public and Nonprofit Leadership. Prior to the fellowship, Reilly worked for seven years as Attorney-Advisor at the U.S. Commission on Civil Rights in Washington, D.C., an independent, bipartisan fact-finding agency of the executive branch. Before law school, Reilly worked on Capitol Hill as legislative assistant to U.S. Representative Les AuCoin of Oregon, handling human rights, veterans’ affairs, and telecommunications issues. Reilly received his B.A. from Princeton University’s Woodrow Wilson School of Public and International Affairs, his J.D. from Harvard Law School, and his LL.M. (in Advocacy) from Georgetown University Law Center.

Rashad Robinson

Rashad Robinson is the Executive Director of Color Of Change, the nation’s largest online racial justice organization. Driven by over one million members, Color Of Change builds power for Black people and Black communities, moving decision makers in corporations and government to create a more human and less hostile world for Black people and all people. Recently, Color Of Change developed successful strategies to hold local district attorneys accountable, and target corporate enablers of the destructive right wing agenda and policies of the current White House. Robinson helped Color Of Change lead winning campaigns forcing over 100 corporations to stop funding ALEC, frame and win net neutrality as a major civil rights issue, and force Pat Buchanan and Bill O’Reilly off the air. Successful Color Of Change strategies have been profiled in The New York Times, The Washington Post, Fast Company and The Hollywood Reporter, and on CNN, NPR, PBS and MSNBC. In 2015, Fast Company named Color Of Change the 6th Most Innovative Company in the world, and in 2016, the Stanford Social Innovation Review profiled Color Of Change. Robinson is the proud recipient of awards from organizations as varied as ADCOLOR, the United Church of Christ and the Martin Luther King, Jr. Memorial Foundation. He serves on the boards of Demos and the Hazen Foundation.

John Trybus, APR

John D. Trybus, APR is a social strategist on a mission to help impact organizations embrace the blur—between sectors, functions, departments and human strengths—for good. He leads and manages Georgetown University’s Center for Social Impact Communication, a renowned research and action center working to ignite the power of responsible marketers, communicators, fundraisers, and journalists to combine their strengths within an organization in order to drive societal change. He has served as the personal advisor to world-famous chimpanzee expert Dr. Jane Goodall where he traveled with her on a perpetual 300-day-per-year global advocacy tour, as a strategy lead within the British Embassy, and as a social innovation consultant to Tiffany & Co., L’Oreal Paris, Coca-Cola, Women for Women International and other clients at Waggener Edstrom Worldwide. John is also an adjunct professor of social impact at Georgetown University and a highly sought after speaker and trainer. 

Erica Walls, Ph.D.

Erica Walls, Ph.D. has worked extensively in the for-profit, nonprofit, and public sectors in the areas of marketing, research, development, strategic planning, and evaluation.  As a native of Indianapolis, Dr. Walls worked for large corporate entities, in higher education administration, and with a host of nonprofits. Since moving to Washington, DC, she has consulted for the United Nations Foundation, Urban Institute, U.S. Department of Labor, and Cancer Support Community. Dr. Walls co-owns Inspire to Excel, LLC; a leadership training and development firm that empowers women to build businesses, lead organizations, and live their lives with purpose. She has taught Social Entrepreneurship, Social Justice, and Introduction to Public Administration at The George Washington University. Dr. Walls earned a PhD focused on Social Policy from The George Washington University Trachtenberg School of Public Policy & Public Administration.  Her research interests include the social impact of women-owned businesses, U.S. social welfare policy, and global initiatives that promote gender equality.

Shereen Williams

Shereen Williams is a partner at Education Board Partners (EBP), the only national nonprofit organization dedicated exclusively to strengthening governance in education nonprofits. She leverages her strong coaching and facilitation skills to help education leaders across the country navigate nonprofit governance. Before joining EBP, Shereen served as Senior Director of Community Partnerships and later Special Assistant to the Chancellor at DC Public Schools. In that role, she managed relationships with strategic partners that resulted in tremendous resources for students and teachers across the district. Ms. Williams holds a bachelor’s degree in political science from the University of Michigan and a master’s in urban planning from New York University.


David Williamson

David Williamson has been Managing Director of the consulting firm Bernuth & Williamson since 2002, serving nonprofit, foundation, and academic clients from around the world in the areas of strategy, change management, and organizational effectiveness. He previously served for 13 years in senior management positions at The Nature Conservancy, including six years as Director of Communications (1997-2002) and as Vice President for Marketing. In addition to his long association with Georgetown University’s Center for Public and Nonprofit Leadership, Williamson has served as an adjunct professor of business administration at Georgetown’s McDonough School of Business and has lectured on nonprofit management at Harvard Business School, Stanford Business School, and the Fuqua School of Business at Duke University. While a visiting Senior Fellow at the Aspen Institute, he undertook pioneering research in capacity building in nonprofits and measuring nonprofit impact; this work, which first appeared in the McKinsey Quarterly, has been widely cited in the academic literature. He also served as a Fellow at the Salzburg Seminar and with the Korea Development Institute in Seoul. A summa cum laude graduate of Princeton University, Williamson has held leadership positions on the board of directors of four nonprofit institutions.