Daniel Berlin works in Washington, D.C. for Google as a member of its technical staff and as a lawyer. Prior to his work with Google, Berlin was an advisory engineer with IBM Research in New York, where he worked on open source projects such as Subversion and GCC. He was responsible for a number of improvements to the source code base of Subversion, including a new delta storage algorithm and various caching improvements to the file system back end. Berlin earned a law degree from the George Washington University School of Law and a bachelor of science degree in computer science from the University of Rochester.