Social Impact Exchange

social impact exchange team

Meet the Team

Alexander Rossides

Founder and President

Alexander brings extensive experience as a social entrepreneur, business executive and investor to Social Impact Exchange (SIE)…

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Alexander Rossides

Alexander Rossides brings extensive experience as a social entrepreneur, business executive and investor to Social Impact Exchange (SIE). 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.

Prior to founding SIE in 2005, Mr. Rossides´ focus in the social sector had 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.

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Amanda Papir

Director, Youth, Education & Operations

Amanda Papir is the Director of Youth, Education & Operations at Social Impact Exchange…

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Amanda Papir

Amanda Papir is the Director of Youth, Education & Operations at Social Impact Exchange.

Amanda has built a career designing for social impact, managing teams and operations, and cultivating strategic partnerships with leaders and agencies across government, civil society and the private sector.

Prior to joining SIE, Amanda worked for the 92nd Street Y, New York, directing the Newmark Civic Life Project, a pro-democracy, social impact initiative engaging global thought leaders and everyday citizens on critical issues facing the U.S.

She also served as Deputy Director of the Association for a Better New York, a civic non-profit and advocacy group for all employers in New York City.

Amanda received her MPA from Columbia University's School of International and Public Affairs. She currently resides in Westchester with her family.

Earl Lui

Senior Advisor, Health

Earl is a philanthropic and nonprofit leader with over 20 years of experience…

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Earl Lui

Earl is a philanthropic and nonprofit leader with over 20 years of experience creating innovative grantmaking programs to promote health and racial equity and collaborating with low-income and BIPOC community leaders and organizations.

Earl previously served as Managing Director at The California Wellness Foundation where he led a six-person team with a $20 million annual grantmaking budget. His grantmaking expertise includes access to health care, social services, and economic opportunity; health system transformation; supporting immigrants and low-wage workers; environmental justice; equitable access to healthy food, parks and green space; and civic engagement and power building.

Earl also served as Senior Attorney at Consumer Reports’ West Coast Regional Office. He developed and implemented legal, legislative, and administrative strategies for improving the rights of low-income California consumers on health coverage, surprise medical bills and medical debt, managed care, prescription drug prices, community reinvestment, and predatory lending.

Earl received his A.B. in Economics from the University of California, Berkeley and a J.D. from the University of Michigan Law school.

Zach Witkin

Senior Manager, Health

Zach Witkin is the Senior Manager for Health & Wellbeing at Social Impact Exchange…

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Zach Witkin

Zach Witkin is the Senior Manager for Health & Wellbeing at Social Impact Exchange. He is a global public health and philanthropic partnerships leader with nearly a decade of experience advancing community health outcomes and shaping partnership strategies for mission-driven organizations.

Zach’s expertise spans strategic partnerships, donor stewardship, prospect research, and strategic communications, complemented by technical experience in health systems, youth, sexual and reproductive health and rights, mental health, and gender equity. He has led complex business development efforts with federal agencies, multilateral organizations, major foundations, corporations, and high-net-worth individuals.

Before joining SIE, Zach held technical and partnership development roles at RTI International and Youth Development Labs (YLabs), managing extensive pipelines of foundation, corporate, and government donors and steering multimillion-dollar proposal development and engagement strategies. His broader background includes research in global health and human-centered design at the Carolina Population Center, global program coordination at Population Services International, and field-based maternal health research in Senegal.

Zach holds an MPH in Global Health from the University of North Carolina at Chapel Hill and a B.A. in Development Studies from Brown University.

Margaret Linehan

Finance and Operations Manager

Margaret Linehan is the Finance and Operations Manager for Social Impact Exchange (SIE)…

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Margaret Linehan

Margaret Linehan is the Finance and Operations Manager for Social Impact Exchange (SIE). She accrued her financial knowledge from numerous positions in banking including Goldman Sachs, ING, ABN and RBS. She received an MBA in Sustainability from Antioch University and was the lead author for a chapter on Green IT in the Palgrave Handbook of Sustainability published by Palgrave Macmillan 2018. She volunteers at the Sisters Farm CSA distribution center in Bronx, NY and enjoys a robust yoga practice in which she holds a Yoga Alliance certification.

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Anne Sherman

Vice President

Anne Sherman is Vice President at Social Impact Exchange (SIE). Before SIE, she was Director…

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Anne Sherman

Anne Sherman is Vice President at Social Impact Exchange. Before SIE, 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.

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Monika Kincheloe

Vice President, Education

Monika is Vice President, Education and Youth Thriving at the Social Impact Exchange. In this role Monika supports…

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Monika Kincheloe

Monika is Vice President, Education and Youth Thriving at the Social Impact Exchange. In this role Monika supports strategy, development, and execution of the Education and Youth Thriving Systems Affinity Group, a growing group of education and youth focused funders and partners committed to advancing systemic racial and economic equity through their philanthropic priorities.

Prior to joining SIE Monika led the GradNation campaign at America's Promise Alliance, collaborating with community, state, and national leaders and young people to equitably improve high school graduation rates. She also led learning communities and knowledge sharing efforts to advance whole child school environments. Most recently, Monika created and led the Anti-Racist Alliance, a group of 14 youth-supporting organizations engaged in inquiry and dialogue on root causes to uncover action steps to create anti-racist adult supporters, youth leaders, and healing-centered practices in our non-profit organizations. Monika was formerly a program officer at the U.S. Department of Education in the Office of the Deputy Secretary and the Office of Elementary and Secondary Education working on a range of federal programming and state support. Monika started her formal systems work as a fourth grade teacher in the Mississippi Delta.

Monika earned a B.S. in Public Health from The George Washington University and a law degree from Suffolk University Law School. She is a mom and a cycle-breaker, a combination that enriches her life in surprising ways. Monika and her partner stay busy in Rhode Island with their three young kids who bring them endless laughter, joy, and requests for snacks.

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