Deanna Marcum was the managing director of  Ithaka S+R. Under her stewardship, Ithaka S+R secured grants from the Bill & Melinda Gates Foundation and Lumina Foundation for research into online learning, as well as grants from the Mellon Foundation for scholarly communications and digital preservation. Before her time at Ithaka S+R, Deanna was the associate librarian for library services at the Library of Congress.