Mark Bender Gerstein is an American scientist working in bioinformatics. As of 2009, he is co-director of the Yale Computational Biology and Bioinformatics program, and Albert L. Williams Professor of Biomedical Informatics, Professor of Molecular Biophysics & Biochemistry and Professor of Computer Science at Yale University. In 2018, Gerstein was named co-director of the Yale Center for Biomedical Data Science.