Nan Bernstein Ratner is a professor in the Department of Hearing and Speech Sciences at the University of Maryland, College Park.
[3] In 1993, Ratner was appointed Professor at the University of Maryland and served as Chairman of the Department of Hearing and Speech Sciences (1993-2014).
[3] Ratner is a co-manager of FluencyBank, a TalkBank project, along with Brian MacWhinney.
FluencyBank is a corpus project that aims to strengthen research in the area of fluency development across the lifespan in both typical and disordered populations.
[8] At the University of Maryland, Ratner founded The LEAP Preschool Program which was cited for distinction by MAHE and US Department of Education (1997).