Following his PhD, Ramos joined the University of Louisville Health Sciences Center where he served as a distinguished scholar and professor in the Department of Biochemistry and Molecular Biology. In 2014, he joined the
University of Arizona as their Associate Vice President for Precision Health Sciences at the Arizona Health Sciences Center. He remained at the University of Arizona until 2019 when he accepted an appointment as executive director of the Institute of Biosciences and Technology in Houston and assistant vice chancellor for Health Services at the Texas A&M University System. ==Personal life==