Justice of the Supreme Court
Sienna M. Fontaine
Sienna M. Fontaine is a Make the Road New York executive whose roles have included Co-Executive Director and General Counsel.
Legal services executive · Public benefits · Immigration
Selected cases & rulings
No case example has been researched for this guide yet. This is a coverage gap, not evidence of a lack of experience.
Professional experience
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.
Professional background source ↗During a post-graduate Skadden Fellowship, she designed a partnership between Bronx Legal Services and Montefiore family-medicine clinics linking legal and medical services.
Professional background source ↗
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