The closing keynote for Designing for Digital 2015 was Frank Migliorelli of the New York Public Library. He is currently their Director of Digital Experience and can be found on twitter @NYPLFrank. Frank by his own admission has a long list of to do items to improve UX across the entire NYPL. He has some great ideas as noted in his keynote. You may know Frank from his work on the Charlotte, NC based ImaginOn library and museum.