Kenneth J. Varnum is senior program manager for discovery, delivery, and learning analytics at the University of Michigan Library. In this role, he is responsible for the library’s discovery interfaces (the “MLibrary” single search tool, ArticlesPlus, Search Tools, etc.), link resolution and content delivery interfaces, and the library’s evolving and emerging learning analytics infrastructure. Over his two decades working with public-facing technology in academic, corporate, and special libraries, he has gained a deep appreciation and understanding of the need to tailor systems and interfaces to the local user base. In addition to numerous articles and chapters, he wrote Drupal in Libraries (2012), and edited The Top Technologies Every Librarian Needs to Know: A LITA Guide (2014) and Lorcan Dempsey's The Network Reshapes the Library (2014), among other books. He blogs at rss4lib.com and can be found on Twitter at @varnum.