Management Team

Donna Katzin
Founding Executive Director
From 1986 until July of 1994, she served as Director of South Africa and International Justice Programs for the Interfaith Center on Corporate Responsibility. In that capacity she worked with religious bodies, institutional investors and community organizations to exert economic pressure to end apartheid, promote responsible reinvestment after apartheid, and to advance social criteria for domestic and international lending. She holds a master’s degree in Community Organization and Planning, and a doctorate in Human Services Education and Development. She is a board member of the Thembani International Guarantee Fund in South Africa, and Community Change in the U.S.
John Woodburn
Finance Director
John Woodburn previously served as Controller for nineteen years at Environmental Defense Inc. He was long active in the trade union movements, as an organizer for The Oil, Chemical and Atomic Workers Union, and as a labor educator at The New York District Council, United Brotherhood of Carpenters and Joiners of America. John is also operating a consulting business, Back Room Ops, focusing on financial reporting and systems requirements of small-to-medium non-profit organizations.
Sandra Zanele Zikalala
Director of Administration
Sandra has previously served as Research Assistant at the United Nations Office of the Special Coordinator for Africa and the Least Developed Countries, Department of Economic and Social Affairs (OSCAL, DESA). She has also served as Treasurer and Events Coordinator at the Good Shepherd United Methodist Church in Bergenfield, and Lab Administrator at Columbia Presbyterian Medical Center. She is currently a candidate for Master of Arts Degree in Political Science/International Relations at Fairleigh Dickinson University, and holds a B.A. Degree from Bowdoin College.
Casey T. Cline
Managing Director 
Casey Cline previously served as the Director of Operations for myAgro, a West Africa-based non-governmental organization that works with small-scale farmers. Prior to that, he was a Kiva Fellow initiating, monitoring, and evaluating relationships with microfinance partner organizations in Central America. Casey’s earlier background includes working in corporate finance and investment management, most recently as a Vice President at Allen & Company LLC. Casey holds a BA in International Politics and Economics from Middlebury College. He serves as a board member of myAgro.
Shukura Shears
Manager, Donor Engagement
Shukura previously served as the Business Development Manager at the International Institute of Rural Reconstruction where she oversaw the US office and included oversight of fundraising, communications, operations and event management. Her prior experience includes serving as a Development and Special Events Manager at The POINT Community Development Corporation, Weill Cornell Medical College and Partnership with Children. She has also held other fundraising positions at nonprofits citywide and provides consulting services to nonprofit organizations in capacity building, strategic fundraising, and organizational development. Shukura holds a Master’s degree in Organizational Leadership from Nyack College and B.A. degree in Government from John Jay College of Criminal Justice.
Martha Brantley
Director of Strategic Partnerships
Martha is Shared Interest’s Director of Strategic Partnerships. Before that, she was the Director of Strategy and Business Development for the Clinton Development Initiative, an initiative of the Clinton Foundation that develops inclusive agribusinesses and provides training and market access to smallholder farmers. Before joining the Foundation in 2011, she spent five years on the Special Situations and Arbitrage desk at D.E. Shaw & Co., investing in health care and consumer goods companies. She has also worked as an associate at Deutsche Bank and a consultant at McKinsey & Co. She holds a BA, cum laude, in History from Yale University. Martha is a native of Little Rock, AR, and is a Trustee of the Heifer Foundation.


With your generous support, thousands more Southern Africans this year will gain access to local capital, secure livelihoods and hope for a better future.





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