 She is the co-founder of the Disability Rights Education and Defense Fund (DREDF), a leading national civil rights law and policy center led by individuals with disabilities and parents of children with disabilities.She served as the DREDF’s deputy and executive director, and president and chair of board of directors.Breslin was the driving force behind DREDF's leadership in the enactment of the 1990 Americans with Disabilities Act (ADA), the Fair Housing Act, and the Civil Rights Restoration Act.