About Us

The Hopewell Fund manages domestic and international initiatives aimed at advancing public good and achieving equity for all people.

Hopewell is overseen by an independent board of directors that has extensive experience in philanthropy, nonprofit management, and policy and advocacy. The Hopewell board has hired Arabella Advisors, a leading national philanthropy services firm, to manage its project hosting and fiscal sponsorship services. Hopewell has collaborated with Arabella on successful projects for many of philanthropy’s leading players and institutions, and the two organizations share a commitment to evaluation and measuring impact.

Hopewell Team

The Hopewell Fund is managed by Arabella Advisors staff who bring expertise in philanthropy, grant-making systems and processes, fiscal sponsorship, and advocacy and lobbying compliance. The team provides strategic support, guidance on best practices, expertise on operational efficiencies, and in-depth compliance oversight to hosted projects.

  • Jenny Wittner

    Jenny Wittner

    Senior Director

    Jenny co-leads the Managed Organizations team, which manages several nonprofits, including the Hopewell Fund. She helps donors and entrepreneurs turn their philanthropic vision into reality by incubating nonprofits and implementing donor collaboratives, advocacy campaigns, and grant-making initiatives. Jenny holds a BA in social studies from Harvard College and an MA in linguistics and ESL teaching from Northeastern Illinois University.

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  • Shelley Whelpton

    Shelley Whelpton

    Managing Director

    Shelley partners with foundations, social entrepreneurs, corporations, families, and high-net-worth individuals to catalyze change on a range of social and environmental issues. Shelley believes that social-sector actors can effect sustained change by going beyond grant making to strategically use the range of innovative tools and approaches available to them. Prior to joining Arabella, Shelley was the vice president of business development and strategy at the Sheridan Group, a Washington, DC-based policy firm dedicated to public interest causes.

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  • Scott Nielsen

    Scott Nielsen

    Managing Director

    Scott Nielsen joined Arabella Advisors in 2015 as the firm’s first managing director of advocacy, bringing decades of experience designing, executing, and evaluating strategies for achieving policy reform and social change. His areas of expertise include civic engagement, issue advocacy, public policy, and infrastructure development and field building. Scott spent 13 years as a program officer at the John D. and Catherine T. MacArthur Foundation and then founded and ran his own firm, Alexander Nielsen Consulting.

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  • Andrew Schulz

    Andrew Schulz

    General Counsel

    Andrew manages Hopewell’s legal affairs, and has over 15 years of experience in a broad cross-section of tax, legislative, and regulatory issues, including tax-exempt organizations, charitable giving, fiscal sponsorship, lobbying, political activity, and international grant making. Prior to joining Arabella, Andrew was executive vice president at Foundation Source. He is a graduate of the College of Wooster and has a JD from the George Washington University Law School. He is a member of the Maryland and District of Columbia bars.

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  • Jessica Robinson Love

    Jessica Robinson Love

    Senior Director

    Jessica helps donors and social entrepreneurs turn their philanthropic visions into reality by implementing innovative donor collaboratives, campaigns, and grant-making initiatives. As a social entrepreneur and consultant, she has developed extensive expertise in the strategy and practice of fiscal sponsorship. Jessica holds a BA in the humanities from the New College of California.

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  • Sarah Sullivan

    Sarah Sullivan

    Senior Director

    Sarah co-leads the work of Arabella Advisors’ Managed Organizations team, which oversees several nonprofits, including the Hopewell Fund. She helps donors and social entrepreneurs turn their philanthropic visions into reality by incubating nonprofits and implementing innovative donor collaboratives, advocacy campaigns, and grant-making initiatives. Sarah holds a BA and an MA in sociology from Stanford University and an MBA from the University of Pennsylvania’s Wharton School of Business.

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  • Michael Slaby

    Michael Slaby


    Passionate and committed to helping humanity save the world, Michael Slaby is a world leader in digital and social media strategy and technology, and how together they can elevate mission-driven organizations. Currently, he is Head of Mission of Timshel, a social-impact technology. Previously, he was a fellow at the Shorenstein Center at the Harvard Kennedy School of Government. Michael helped lead Obama for America as Chief Integration and Innovation Officer in 2012, and was Deputy Digital Director and Chief Technology Officer for Obama in 2008.

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  • Sampriti Ganguli

    Sampriti Ganguli


    Sampriti Ganguli is Arabella Advisors’ chief executive officer. She oversees all aspects of the firm’s performance, including revenue, operations, strategic growth, marketing, and client services. She drives and executes Arabella’s business strategy, sets operational priorities, and manages senior staff. Sampriti joined Arabella after 14 years at Corporate Executive Board (CEB), including as executive director of its legal, risk, and compliance practice.

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  • Lee Bodner

    Lee Bodner


    Lee is the president of the New Venture Fund (NVF), and brings more than 20 years of experience incubating and launching innovative partnerships with the public, private, and nonprofit sectors related to climate and conservation. He previously served as a managing director at Arabella Advisors, leading its engagement with NVF and many national nonprofit organizations that Arabella has managed. Lee has a BA from Wesleyan University and an MBA from Georgetown University.

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Please click the button below for the Hopewell Fund’s 2016 Form 990.

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