Skip to main content

Social Security Disability 2015: From Administrative Proceedings to Federal Practice


Speaker(s): Andrei Ziabkin, Marie I. Mombrun, Susan J. Horwitz
Recorded on: Mar. 17, 2015
PLI Program #: 57654

Andrei Ziabkin graduated from Fordham Law School in 2000 and has been a staff attorney with The Legal Aid Society since September 2000.  Andrei represents clients in Social Security and Public Assistance matters in the Bronx. 


Marie Mombrun is a staff attorney in the Disability Advocacy Program of The Legal Aid Society.  Since 2002, Marie has represented disabled claimants in administrative proceedings and affirmative litigation.  She engages in community outreach and education to individuals, local community-based organizations, education and disability advocates and pro bono lawyers.  In 2012, Marie’s practice expanded to include advocacy for disabled children in administrative hearings and proceedings at the New York City Department of Education. She counsel clients on Education Law and represents parents of disabled children at special education committee meetings, resolution conferences and hearings. Prior to joining the Disability Advocacy Program, Marie represented tenants in various stages of housing litigation in New York City.  Marie is a graduate of Rutgers University Newark School of Law and earned her Bachelor of Arts degree from New York University.


Susan Horwitz, Esq is the Supervising Attorney of the Education Law Project at The Legal Aid Society. She graduated from Benjamin N. Cardozo School of Law in June, 1990, and is admitted in the First Department of New York State as well as the Southern and Eastern Districts of New York. Susan first joined the Legal Aid Society as a staff attorney in the Criminal Appeals Bureau and spent a year as a staff attorney in the Criminal Defense Practice before moving to the Civil Practice in January, 2003. Since that time she has represented hundreds of individuals and families who need assistance obtaining and preserving public benefits and social security disability benefits.

Since 2006, Susan has primarily focused on educational rights of students with disabilities who are living in poverty. She represents families at school meetings, mediations, and impartial hearings. Ms. Horwitz provides trainings for parents, pro bono attorneys, case handlers in other practices within The Legal Aid Society, school staff, and mental health providers on navigating the special education system, legal rules and remedies, and self-advocacy skills. In 2017, she developed, the LAS/Mt Sinai-St. Luke’s Child and Family Institute Medical-Legal Partnership. 

Susan is a long time member of COPAA and is the 2018 recipient of the American Bar Association’s Paul G. Hearne Award for Disability Rights.