Phoebe joined MIT in 2015 as Electrical Engineering & Computer Science Librarian after nine years as Physical Science & Engineering Librarian at UC Davis. She continues to be heavily involved in Wikipedia (after serving on the Wikimedia Foundation's Board of Directors for four years), including speaking and writing about how Wikipedia and libraries can work together. Phoebe co-authored a 2008 book, How Wikipedia Works, and published "Wikipedia, User-generated Content, and the Future of Reference Sources" in 2014's Reimagining Reference in the 21st Century.