New York, NY

THE TELL INSTITUTE (operating name of Mosaic Persuasion Inc.)

EIN 33-2243224

Arts, Culture & Heritage Cultural Heritage & Traditions

Mission

To reframe and deepen public and K–12 understanding of Jewish civilization, the historical dynamics of antisemitism, and the ideas that support pluralistic societies by developing accessible curriculum and educator resources.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

Claim this page Visit www.thetellinstitute.org

About THE TELL INSTITUTE (operating name of Mosaic Persuasion Inc.)

The Tell Institute is a recently established U.S. nonprofit initiative founded and led by author and scholar Dara Horn to expand public education about Jewish history, culture, and the roots and effects of antisemitism. The organization develops curriculum, training, and public-facing resources intended for classrooms and broader community audiences. The Tell Institute is actively building a network of educators and partners, piloting curriculum in classrooms in the 2025–2026 school year and running early engagement activities (internships, educator surveys, and community partner outreach) to refine its materials and measurement approach.

Notable achievements

Founding and launch

Founded by Dara Horn as a national education initiative, the organization established its public presence and leadership team and launched a public website and outreach in 2024–2025.

Curriculum development and pilot plan

Designed a focused set of classroom lessons (the "Start Here" frame) and announced plans to pilot those lessons in select K–12 classrooms beginning in the 2025–2026 school year, including educator training and measurement plans to iterate on materials.

Early program engagements

Ran early engagement activities including internships and partnerships with community and higher-education partners to test materials and recruit educator collaborators.

At a glance

Total assets: $530K
Annual revenue: $530K
Tax status: 501(c)(3)Public charity
EIN: 33-2243224
Location: New York, NY
Website: www.thetellinstitute.org
On Mahalo since: May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Prominent media and public discussion: founder Dara Horn’s work and related essays have generated national discussion about Holocaust and Jewish education, raising public visibility for the Institute’s mission.

Listed in nonprofit data platforms and directories under EIN 33-2243224 (legal entity listed as Mosaic Persuasion Inc.), indicating recognized 501(c)(3) status and presence in donor/charity databases.

Endorsement and partnership interest from education and Jewish community organizations, reflected in internship placements and community partner volunteer solicitations.

Is this your organization?

Claim this page to keep it current — add your logo, publish campaigns, and reach the donors and advisors discovering you on Mahalo.

Claim this page