Kenneth J. Varnum is the Senior Program Manager for Discovery, Delivery, and Library Analytics at the University of Michigan Library. In this role, Ken is responsible for the library's discovery interfaces (the "MLibrary" single search tool, ArticlesPlus, Search Tools, etc.), delivery interfaces, and the library's evolving and emerging analytics infrastructure. He received a master's degree from the University of Michigan's School of Information and his Bachelor of Arts from Grinnell College. 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. A frequent speaker and author, Ken presents and writes about discovery systems, library analytics, and technology. In addition to numerous articles and chapters, he wrote Drupal in Libraries (2012), edited Lorcan Dempsey's The Network Reshapes the Library (2014), and compiled four books, including Exploring Discovery: The Front Door to Your Library’s Licensed and Digitized Content (2016), Beyond Reality: Augmented, Virtual, and Mixed Reality in the Library (2019) and the LITA Guide New Top Technologies Every Librarian Needs to Know (2019). He blogs at rss4lib.com and can be found on Twitter at @varnum.