Justice of the Supreme Court
Sienna M. Fontaine
Working Families
Sienna M. Fontaine is a Make the Road New York executive whose roles have included Co-Executive Director and General Counsel.
Professional record
Legal services executive · Public benefits · Immigration
Experience, cases & evaluations →Background
She previously directed public-benefits work at Bronx Legal Services and earned a law degree from New York University.
- Co-Executive Director, Make the Road New York.
- A 2024 Partners for Dignity & Rights profile identifies her as General Counsel and an executive-team member at Make the Road NY, with responsibility for legal needs across a 45-plus-person legal department.
- Former legal director and co-director at Make the Road New York; she joined the organization as deputy legal director in 2015, became co-director in 2017 and was described as sole legal director in 2020.
- A 2025 U.S. Supreme Court docket filing identifies Fontaine as Make the Road NY's General Counsel and includes her declaration in litigation challenging an executive order affecting birthright citizenship.
- Former director, Public Benefits Unit, Legal Services NYC Bronx; her work included public-benefits litigation.
- During a post-graduate Skadden Fellowship, she designed a partnership between Bronx Legal Services and Montefiore family-medicine clinics linking legal and medical services.
- New York University School of Law, J.D. 2007; University of California, Berkeley, sociology and Spanish.
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