Paul Butler is the Library Technologies Support Analyst at Ball State University Libraries in Muncie, Indiana. In this capacity he helps manage several library systems, including OCLC ILLiad for managing interlibrary loan, OCLC EZproxy for handling user access to electronic resources, and the library ILS, SirsiDynix Symphony. Paul is an active member of the EZproxy community, for which he maintains the EZproxy IP blacklist on GitHub. The EZproxy IP blacklist is a community supported effort to share IP addresses used for fraudulent EZproxy activity. Paul received his MLIS from the University of Illinois at Urbana–Champaign School of Information Sciences in 2010.