A.L. Mailman Foundation

A.L. Mailman Foundation

The A.L. Mailman Foundation was established in 1976 by Abraham Mailman's daughter, Marilyn Mailman Segal, a developmental psychologist who created the Mailman Segal Center for Human Development at Nova Southeastern University. The foundation exists to fund advocacy, applied research, and curricula development that improve public policy and professional practice for children from birth to age five. Richard D. Segal, the founder's grandson, leads the foundation as president while simultaneously serving as Chairman and CEO of Seavest Investment Group, the family's separate for-profit investment entity. The foundation deploys capital through a mix of direct grants, funder collaboratives, and impact-investing pilot programs. Its grantmaking concentrates on systemic levers: educator training standards, quality-rating frameworks for childcare centers, and state-level policy campaigns that link early childhood intervention to long-term educational outcomes. The Mailman Foundation operates within the Early Childhood Funders Collaborative, a professional network of peer foundations that co-funds multi-year initiatives. Unlike foundations that silo their endowment in a generic 60/40 portfolio, the Mailman family's investment activity — including Seavest's healthcare real estate portfolio and the Seavest Collection of contemporary art — operates as a separate economic engine, preserving the foundation's corpus for its narrow mission. Public filings suggest a modest corpus, with Altss estimating total assets between $15 million and $25 million. The foundation maintains no offices beyond White Plains and runs a lean operating structure, with program staff likely numbering in the single digits. Richard Segal's dual role across the foundation and Seavest creates an unusual governance overlap: the same individual stewards the philanthropic mission and the private investment portfolio that represents the broader family wealth. Marilyn Segal's daughter, Wendy Masi, serves as Chairman of the foundation, maintaining direct lineage oversight. In May 2024, the foundation continued its pattern of co-funded advocacy grants through the Early Childhood Funders Collaborative, targeting state-level childcare workforce legislation. The foundation's structural distinction lies in its unbundled architecture. Where most family foundations integrate their endowment management and program staff under one investment committee, the Mailman Foundation outsources its wealth-generation function entirely to Seavest and the broader family office. This allows the foundation to behave as a pure-play grantmaker — no internal CIO, no direct investment staff, no blended impact mandate — while the family's capital grows in separate, commercially driven vehicles. The result is a small, focused philanthropy that avoids the mission-drift and governance friction that often accompany attempts to run program-related investments out of the same legal entity.