Justice Fisher has been a justice of the Supreme Court, New York County, since January 1994. In 1996, she became the Administrative Judge of the Civil Court of the City of New York. She first dealt with landlord-tenant issues as a hearing officer in the Rent Control Division of the New York City Department of Housing Preservation and Development. She later litigated landlord-tenant matters at Harlem Legal Services as a staff attorney from 1979 to 1980 and as deputy director from 1986 to 1989. Before her 1994 election to the Supreme Court, she sat as a NYC Civil Court judge from 1990 to 1993 and as a Housing Part judge from 1989 to 1990, hearing thousands of landlord-tenant cases.

Justice Fisher served as a project director of the National Conference of Black Lawyers and as an assistant attorney general in the New York State Department of Law. She has taught in the Urban Legal Studies Program of the City College of New York as a Revson Fellow and has often lectured on landlord-tenant issues.

Until her appointment as the Administrative Judge of the Civil Court of the City of New York, Judge Fisher served as the chairperson of the Disciplinary Committee for Housing Judges. She is a graduate of Harvard Law School.