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Who We Are

The Social Impact Exchange was launched by the Growth Philanthropy Network (GPN), in partnership with Duke University - Center for Strategic Philanthropy and Civil Society (CSPCS) and its Center for the Advancement of Social Entrepreneurship (CASE)

Social Impact Exchange Staff

About the Social Impact Exchange Staff

Alexander Rossides - President and Co-Founder

Alexander Rossides brings extensive experience as a social entrepreneur, business executive and investor to GPN. Mr. Rossides has led both nonprofit and for-profit organizations. He has experience managing the growth of organizations, raising capital, developing affiliate networks and partnerships, and developing systems and technologies that enable information and knowledge sharing. Mr. Rossides served as the CEO of Interactive Video Technologies (IVT), a company he helped found and grow into a leading provider of online video technology that was successfully sold. Prior to IVT, he served as Managing Director of Digital Evolution Venture Capital (DE), where he managed the operations of the firm, raised investment capital for portfolio companies, oversaw investments in healthcare, technology and media companies and served as a Board member in a number of DE portfolio companies. Prior to DE, Mr. Rossides served as a management consultant at Towers Perrin in the strategy and organizational effectiveness practice, where he focused on client engagements in the public, health and financial sectors.
In the social sector Mr. Rossides´ focus has been in the areas of civic engagement, and youth education and development. In 1990 Mr. Rossides founded and led the Corporate Community Initiative, a non-profit organization in New York City devoted to facilitating corporate volunteerism and delivering management assistance to nonprofits. In 1997 he initiated a college assistance program for students in inner-city Boston. Mr. Rossides has served in numerous volunteer and advisory positions with other nonprofits. He received his BA from Dartmouth College in 1986 and his MBA from Columbia Business School in 1996.


Kaberi Banerjee Murthy - Deputy Vice President, Education

Kaberi Banerjee Murthy joined Growth Philanthropy Network in August 2014, bringing a dozen years of experience as a grantmaker at the local, regional and national level. Most recently she served as a Program Director at Crown Family Philanthropies, leading the Education, Arts & Culture, and Civic Affairs portfolios. Prior to that, she served as Senior Program Officer at the Picower Foundation in New York, focusing on K-12 and Out-of-School-Time, as a Philanthropic Advisor at Hemenway & Barnes in Boston, staffing Jane’s Trust and the Cox Trust, and as a Program Officer at the Lloyd A. Fry Foundation in Chicago, working on Education, Health, Community Development and Arts & Culture. She has also served as a philanthropic consult to Ford Foundation’s GrantCraft, Grant Management Associates and the Council on Foundations. Before entering philanthropy, Kaberi was an advertising executive at Leo Burnett. Kaberi graduated from Carleton College with a BA in History and Women's Studies, and received a Minnesota teaching certification for high school Social Studies. She holds a Masters of Education from Harvard University, with a focus on planning and social policy.

Kaberi is a current Board Member for the Crossroads Fund and a past National Board Member for Grantmakers in Education. She was a Leadership Greater Chicago Fellow and a Chicago Council on Global Affairs Emerging Leader. She has served on several boards including: Resource Generation, Casa Myrna and Sakhi; several advisory boards including the Carleton College’s Alumni Council and Chicago Foundation for Women; and a number of giving circles, including the Saffron Circle in Boston and the Asian Giving Circle in Chicago.


Brooke Beardslee - Senior Consultant

Brooke Beardslee joined Growth Philanthropy Network/Social Impact Exchange on September 22, 2015. Previously she was Executive Director of Grameen PrimaCare, a primary care and health promotion program for underserved immigrant women in Queens, NY. Prior to that she was Chief Operating Officer of the Children’s Radio Foundation where she was responsible for managing and enhancing internal organizational processes and infrastructure. Brooke also worked for the International Women’s Health Coalition, the New York City Department of Health Bureau of Tuberculosis Control, the New York City Department of Homeless Services, and was a Peace Corps Volunteer in Niger.

Brooke has a B.A. in Politics from the School of Oriental and African Studies (SOAS), University of London, and a Masters in Public Health from Tulane University School of Public Health and Tropical Medicine. Brooke is President of the Board of the American Friends of SOAS. Past Boards include the New York Women’s Foundation, Red Umbrella Project, Restaurant Opportunities Centers UNITED, Resurrection Episcopal Day School, and Volunteers of America.


Antoinette La Belle - Managing Director, Network Partnerships

Antoinette (Toni) La Belle joined Growth Philanthropy Network/Social Impact Exchange in January of 2014. She comes to GPN most recently from Civic Ventures (now known as Encore.org), where she was a Senior Fellow focusing on corporate career transition models. She was also the East Coast Director with startup responsibility for the board-approved national expansion of the Encore Fellowship Program. She spent most of her career in the private sector as an executive working in the areas of organization development, strategic business and human capital strategies, and change management initiatives. She concluded her corporate career in 2007 as a Managing Director at Lehman Brothers to enter a doctoral program at Case Western Reserve University, Weatherhead School of Management and to continue her civic engagement endeavors. Her doctoral research was a comparison study of the professional and situational influences on nonprofit leaders’ effectiveness; articles based on her research have been featured by The Bridgespan Group and BoardSource.

Her “activist” philanthropic and volunteer involvement supports initiatives and organizations helping “level the playing field” by working for social and economic justice and well being for vulnerable populations. She is a past board officer of The New York Women’s Foundation, Taproot Foundation, and The Viscardi Center and currently serves on the board of the Nonprofit Coordinating Committee of New York. In addition to her doctorate, she holds an MBA from Fordham University and a BS from Marymount College.


Sunny Larson - Senior Director, Education

Sunny Larson joined GPN in September 2014. Prior to GPN, she spent close to a decade at The Fund for Public Schools, the nonprofit organization that raises funds and facilitates public-private partnerships on behalf of the New York City Department of Education. In her role as Managing Director, she led collaborations with stakeholders across business, philanthropy, city government, and other nonprofit and community-based organizations.  During her time at The Fund, the organization raised hundreds of millions of dollars to support strategic district-wide education initiatives and grew from fundraising for a small slate of projects to an organization with dozens of major multi-year grants and deep partnerships in the education sector.   

Sunny graduated cum laude from Yale University, with a B.A. in history and international studies, and received a Master’s degree with distinction from the University of Edinburgh, Scotland, in nationalism studies. She currently sits on the board of the Yale Club of New York City.


David Nee - Senior Consultant, Education

David Nee grew up in a housing project in South Boston, Massachusetts, in one of the poorest urban neighborhoods in America.  Since retiring from the Graustein Memorial Fund in 2014, he has acted as a senior consultant to the Social Impact Exchange, with a primary focus on early childhood and K-12 education.

Nee became the first executive director of the William Caspar Graustein Memorial Fund in 1993.  The Memorial Fund works collaboratively to improve education for Connecticut’s children by supporting school change, informing the public debate on educational issues, and strengthening the involvement of parents and the community in education. Before coming to the Memorial Fund, Nee was executive director of the Ittleson Foundation and of the Florence V. Burden Foundation. In 1989 with Martin Greller, Nee co-authored From Baby-Boom to Baby-Bust:  How Business Can Deal With the Demographic Challenge.  The book examines organizational strategies to address the human resources crisis facing us in the public, private and nonprofit sectors.

Nee has exercised national leadership in the fields of aging, crime and justice, mental health, AIDS, and the environment.  Mr. Nee has chaired the boards of the Institute for Community Peace, the New York Regional Association of Grantmakers, and the Connecticut Council for Philanthropy.   He has also served on the boards of the Connecticut Academy for Education in Math Science and Technology, Grantmakers for Children Youth and Families, and the National Community AIDS Partnership. He founded and continues to serve on the Board of the Connecticut Center for School Change, as well as CT Nonprofits and Connecticut Voices for Children.  Nee co-chaired the Governor’s Early Childhood Research and Policy Council from 2006-2009.

Nee graduated from Harvard College, holds a master’ degree in English from Yale University, and a master’s degree in business administration from Boston University. 


Anne Sherman - Vice President, Nonprofit Strategy

Anne Sherman is Vice President, Nonprofit Strategy at Growth Philanthropy Network. Before GPN, she was Director of Strategy at TCC Group, a consultancy that assists nonprofits, foundations, and corporate community involvement programs. Prior to TCC Group, she was community initiatives manager at Minneapolis Way To Grow, a citywide school-readiness initiative. Sherman holds a master’s degree in public affairs from the University of Minnesota Hubert H. Humphrey Institute for Public Affairs. Her volunteer work includes serving as chair of the governing body of the Center for Family Life in Sunset Park, Brooklyn, and as a member of the board of SCO Family of Services. She also serves on the selection committee of the New York Community Trust-New York Magazine Nonprofit Excellence Awards. Sherman is the co-author of Building Nonprofit Capacity: A Guide to Managing Change Through Organizational Lifecycles, published in 2011 by Jossey-Bass