Our Leadership Team


Yehwroe Sinyan Martyn

DC Program Manager


Yehwroe holds a dual Bachelors of Arts in Africana Studies and Psychology from the University of Maryland, Baltimore County. She is currently also a part-time/online graduate student at the Pennsylvania State University seeking a dual Masters in Community and Economic Development and Business Administration. Yehwroe is passionate about helping small and minority-owned businesses to grow. 


Jessica Johnson

Regional Director


Barleh "Jessica" Johnson manages the group purchasing and strategic sourcing of the cooperative's 75 member community institutions in the Washington DC region. Jessica has 13 years of management, sales, and contracting experience working in the for-profit, non-profit and government sectors. Most recently Jessica led a team at Education Data Systems, Inc. where she assisted with the procurement of $2 million in annual contracts. She also managed and oversaw the daily operations of the TANF program that enrolled over 1,500 program participants each year. Jessica's focus at CPA co-op is growing our membership in the MD-DC-VA metro region and building new programs to meet the needs of members. Jessica holds a bachelors degree in Political Science and International Studies from Elmira College in NY and Masters in Social Work from the University of Pennsylvania. 


Joe Naroditsky

Director, Solar & Operations


With a career dedicated to the sustainability and solar energy fields for over 10 years, Joe has played key roles in the project development and management of nearly 8 MW of PV installations. In 2007, Joe was a co-founder of FUSE, a nonprofit organization that engaged faith communities in education and advocacy for renewable energy. In 2010, he was a founding member of BAM Energy Group, a solar installation startup firm which he helped lead to successful contracts with Royal Caribbean Cruise Lines and the Archdiocese of Newark, NJ. Joe holds a bachelor’s degree in Anthropology from New College of Florida.


Lauren Greenspan

Senior Communications Associate


Lauren manages CPA's energy, copier, and waste hauling programs.  She also loves telling CPA members stories through photography and video. (You can follow her work on YouTube here). Prior to joining the CPA team, Lauren worked for Duke University where she focused on continuing education programs for religious leaders and alumni of Duke Divinity School. She holds a bachelor’s degree in Philosophy and Religion from Truman State University and a master’s degree from Duke Divinity School in Theological Studies.


Felipe Witchger

Co-founder & Executive Director


Felipe leads the cooperative efforts of CPA's 160+ participating educational, religious, and community institutions. He focuses on building the capacity of the organization and developing new programs in group purchasing, strategic sourcing, and peer learning.  Prior to CPA, Felipe directed a multi-family energy efficiency initiative at Stewards of Affordable Housing for the Future (SAHF). From 2010 to 2012, Felipe worked as the Lead Organizer for Energy and Partnerships at Groundswell. During this time he collaborated with the DC Sustainable Energy Utility and partnered with IAF to design and organize an innovative community energy program that mobilized $5 million in clean energy. Felipe developed his expertise in energy markets as a researcher and consultant on the Climate Change and Clean Energy Team at IHS Markit (formerly Cambridge Energy Research Associates). Felipe holds a bachelor’s degree in Energy Studies and Economics from the University of Notre Dame.

Our Board of Directors


Paul Hazen


Paul became the Executive Director of the Overseas Cooperative Development Council in February 2012. Prior to joining OCDC, Paul was CEO of the Washington, D.C.-based National Cooperative Business Association. Under Paul’s leadership, NCBA’s cooperative development portfolio grew from $8 million to over $30 million annually. During his 25-year tenure with the organization, he held key positions, including chief operating officer, vice president of public policy, vice president of member services and director of consumer cooperatives. Paul is the one of the founders of DotCoop, the top-level domain for cooperatives around the world. In demand for his cooperative expertise, Paul speaks frequently at national and international forums on the role of cooperatives in community and economic development. In 2001, he was named CEO Communicator of the Year by the Cooperative Communicators Association. A native of Wauzeka, a rural community in western Wisconsin, Paul holds a B.A. in economics and finance from the University of Wisconsin.

Ellen Agler

Vice President

Ellen has been serving Temple Sinai as its executive director since 2008. Ellen’s previous professional experiences include running facilities and programs for Jewish and healthcare organizations meeting the needs of seniors in the Washington area. Ellen attended the University of Michigan as an undergraduate, and returned there to pursue a master’s degree from the School of Public Health. As executive director, Ellen has responsibility for the temple’s administrative activities ranging from financial matters to staffing, coordinating logistics for the busy congregation, and taking care of the temple building.


Troyann Watson


Troy has more than 10 years of finance and executive leadership in one of DC’s most vibrant congregations: Emory Fellowship. She oversees the operations at Emory, including the finance committee, which she chaired for several years. Troyann also brings more than 20 years of experience in health care administration.


Irma Rivera

Irma serves as the Deputy Director for Operations at the Center for Community Change. A leading national social change organization whose mission is to build the power and capacity of low-income people, especially low-income people of color, to change their communities and public policies for the better. Irma has more than a decade of organizing experience working on immigration reform and voter engagement campaigns. Over the past two years Irma has shifted form issue campaigns to working on facilities and operations. She is excited that CPA provides a community and a platform to develop the leadership of operations staff.  And… as she loves to tell folks, “The savings are also great!”


Faida Fuller

Ms. Fuller is the COO at Friendship Public Charter School. Prior to her current role as COO, Ms. Fuller served as CFO at Chavez Schools and in a number of roles at the Office of the State Superintendent of Education (OSSE) including Program Manager of the Direct Loan and Credit Enhancement Program, Fiscal Officer for the Race to the Top Grant, Fiscal Director of the Division of Elementary and Secondary Education, and most recently as Director of the Office of Public Charter School Financing and Support.  She was a Vice President at both BB&T and Citibank as a commercial lender primarily serving the non-profit sector before her transition into education. Ms. Fuller earned her B.A. in Economics at Spelman College and her MBA from Kenan-Flagler Business School (UNC) with a concentration in Sustainable Enterprise. Passionate about the environment, Ms. Fuller spends her free time outdoors as much as possible with her husband and children.


Martin Paul Trimble

Martin is the Supervising Organizer for Metro IAF and it's local affiliates in DC, Virginia, and North Carolina.  Martin has been pioneering Metro IAF's earned-income strategies to provide a long-term sustainable funding stream for community organizing for the past 10 years. Martin has expertise in affordable housing and real-estate development, community finance, and earned-income strategies for organizing.  He was instrumental in the creation of the Opportunity Finance Network. Martin has organized with the Industrial Areas Foundation for 25+ years in Philadelphia, PA, Wilmington, DE, Washington, DC, and Northern Virginia.



Hays Witt

Until recently, Hays worked as the Deputy Director for the Partnership for Working Families.  He provided strategy and organizing leadership for the Transforming Trash campaign and convened the Partnership’s program to shape the Future of Work.  Before joining the Partnership, Hays led a groundbreaking campaign to create good airport jobs at LAX.  He has 15 years of experience in labor, political, community, and environmental justice organizing, with a particular emphasis on connecting grassroots leadership development with policy advocacy. Hays helps advise CPA on our waste strategy, helping us increase the positive social, environmental, and community impacts of our work.


Rosemary Mahoney


Rosemary Mahoney is the former CEO of CoMetrics. Prior to joining CoMetrics, Rosemary worked as a consultant on international cooperative development projects and cooperative business development projects in the United States. She was a founding partner of MainStreet Cooperative Group, LLC., director of New Venture Development for Cooperative Solutions, LLC., executive director of Cooperative Development Services (CDS) and Regional Director for Volunteers in Overseas Cooperative Assistance in the Czech Republic, Slovakia and Hungary. At present, Rosemary serves on the boards of directors of the National Cooperative Business Association, National Cooperative Grocers Association, National Cooperative Grocers Association Development Cooperative, Thanexus, Inc., dotCooperative LLC, The Cooperative Foundation and NCB Capital Impact. Rosemary formerly served on the boards of directors of NCB (formerly known as the National Cooperative Bank), Cooperative Development Institute and CooperationWorks.


Neil Seldman

Institute of Local Self-Reliance

Neil Seldman is the Co-Founder and Executive Director of the Institute for Local Self Reliance (ILSR) where he provides technical assistance to cities, community groups and businesses in the field of sustainable resource management. ILSR’s mission is to provide innovative strategies, working models and timely information to support environmentally sound and equitable community development. Since 1974, ILSR has championed social equity and building local self-reliance, a strategy that underscores the need for humanly scaled institutions and economies and the widest possible distribution of ownership. Dr. Seldman has pioneered developments in processing, building deconstruction and small scale manufacturing from recycled materials. He is a founding member of the National Recycling Coalition at the First National Recycling Congress and the Grass Roots Recycling Network. He is known as grassroots organizer who, “shows communities how to fight against and how to fight for the sustainable solution to solid waste and economic problems.” Dr. Seldman was a manufacturer in New York City and a university lecturer in political science before co-founding the Institute for Local Self-Reliance in the Adams Morgan neighborhood of Washington, DC.


Boris Sigal

New Haven Works

Boris Sigal is the Director of Business Development at New Haven Works. Boris focuses on building closer relationships with the regional business community, making sure that the services offered by New Haven Works makes hiring qualified New Haven residents as easy as possible for local businesses. Before coming to New Haven in 2012, he served as the Director of Finance and Operations at Groundswell, a social enterprise in Washington DC focused on the intersection of energy and community economic development. There he oversaw financial, legal, human resources, and IT and worked on procuring and managing service contracts with local, state, and federal government, for-profit businesses, and community institutions. Over the last year, Boris has worked closely with Yale University and the City of New Haven on strategies to increase the participation of local businesses in the supply chains of New Haven’s large institutions and businesses. He’s worked closely with Yale Procurement and the business development community to identify and implement immediate opportunities to shift spend, and to develop tools, policies, and partnerships to support local procurement growth. Boris has his MBA from the Yale School of Management.