Senior Fellow at Migration Policy Institute

Senior Fellow & Director, MPI office at NYU School of Law at Migration Policy Institute

Director of Immigration Law and Policy Research at Economic Policy Institute

Partner at Sharma-Crawford Attorneys at Law in Kansas City, MO

Faculty Affiliate at U.S. Immigration Policy Center, UCSD

Founding Director at U.S. Immigration Policy Center, UCSD

Professor of Genome Sciences, University of Washington in Seattle, WA

Professor at UC Davis, School of Medicine

Infectious Disease Physician; Hospital Epidemiologist and Antimicrobial Steward at Tufts Medical Center

Chair of the Genetics Department at Yale University School of Medicine

Professor of Biology and Bioengineering at Caltech, Division of Biology and Biomedical Engineering

Adjunct Professor, Department of Microbiology & Immunology at Georgetown University, School of Medicine

Associate Professor of microbiology and immunology at University of Michigan, School of Medicine

Professor of Medicine at Boston University, School of Medicine

Executive Associate Dean at Emory University, School of Medicine

Professor, Dept of Civil and Environmental Engineering at UC Davis