LB was a registered trade name from 2020 to 2022 of the New Venture Fund, a left-of-center 501(c)(3) funding and fiscal sponsorship nonprofit managed by Arabella Advisors, a Washington, D.C.-based philanthropic consulting firm. Like other nonprofits in the Arabella network, including the Sixteen Thirty Fund and the Hopewell Fund,  the New Venture Fund operates several trade names. Little is available online regarding what activities, if any, were conducted under the LB name. ^{1 2 3}

Background

LB was a registered trade name of the New Venture Fund, a 501(c)(3) nonprofit managed by the Arabella Advisors philanthropic consultancy. The New Venture Fund serves as a fiscal sponsor for multiple left-of-center policy campaigns, advocacy groups, and public education initiatives, mostly conducting educational activities in line with the fund’s 501(c)(3) status. As of 2025, the right-of-center Americans for Public Trust identified 14 active and over 30 inactive trade names of the New Venture Fund. ¹

The New Venture Fund focuses primarily on social and environmental change, issuing grants for a variety of projects that include conservation, global health, disaster recovery, education, and the arts. It is the largest 501(c)(3) nonprofit in the network of five nonprofits created and managed by Arabella Advisors, a Washington, D.C.-based philanthropy consulting company that caters to major foundations and organizations on the political Left. A January 2020 profile of Arabella Advisors’ network by Inside Philanthropy noted that the company “handles over $400 million in philanthropic investments and advises on several billion dollars in overall resources.” ^{2 3}

1. “Trade Names of the Arabella Advisors Network.” Americans for Public Trust. Accessed June 24, 2025. https://americansforpublictrust.org/document/trade-names-of-the-arabella-advisors-network/
2. Markay, Lachan. “Over 100 Left-Wing Groups Sourced to DC Dark Money Outfit.” Washington Free Beacon. October 22, 2015. Accessed February 18, 2017. http://freebeacon.com/issues/over-100-left-wing-groups-sourced-to-d-c-dark-money-outfit/
3. Philip Rojc. “Big Builds: A Look Inside Arabella Advisors.” Inside Philanthropy. January 14, 2020. Accessed January 15, 2020. https://www.insidephilanthropy.com/home/2019/1/14/big-builds-a-look-inside-arabella-advisors