Sara Czaja, Ph.D. Research Director 212 746 9262 sjc7004@med.cornell.edu Biography Research Directory Mark Steven Lachs, M.D., M.P.H. 212 746 7000 mslachs@med.cornell.edu Biography Clinical Research Directory Ronald D Adelman, M.D. 212 746 1729 rdadelma@med.cornell.edu Biography Clinical Research Directory Madeline R. Sterling, M.D., M.P.H. 646 962 5029 mrs9012@med.cornell.edu Biography Clinical Research Directory Catherine Riffin, Ph.D. 646 962 7160 acr2213@med.cornell.edu Biography Research Directory