Staff Bios

portrait: Tracy ByerlyTracy Byerly, Chief Specialty Services Officer
Tracy Rochow Byerly has been Chief Specialty Services Officer since July of 2012, when the Missouri Library Network Corporation (MLNC) merged into Amigos Library Services. Tracy served as Executive Director of MLNC since December 2003 and played a key role in the merger of the two organizations.

In her current position, Tracy provides leadership and support for new members and directs membership activities. She also guides the organization’s communications activities, from managing the production of newsletters to developing informational materials and social media outlets. Prior to assuming her role as Executive Director at MLNC, she taught many workshops in her role as User Services Manager. Her library career began at St. Louis County Library, MO, where she worked in both public and technical services. Known for her knowledge of consortial management, enthusiasm and positive outlook, Tracy is a popular speaker at library meetings.


portrait: Keith GaertnerKeith Gaertner, Chief Financial Officer
Keith Gaertner currently serves as Chief Financial Officer for Amigos Library Services. He oversees organizational management services projects, internal IT management and assists with the preparation of the Amigos annual budget.

Keith served MLNC for over 25 years prior to its 2012 merger with Amigos, responsible for accounting, personnel services, and the MLNC computer network. He began his MLNC career in 1984 as a part-time accountant, and became full-time business manager in 1987. In 2008, he was promoted to Associate Director, Business Services. Keith implemented several systems at MLNC that streamlined processes and increased organizational efficiency, including a remote deposit capture system, a member relationship management system, and a Citrix server for remote access to the network.

Keith has a Master of Arts degree in Information Technology Management from Webster University, St. Louis, a Bachelor of Science degree in Business Administration and two Chancellor’s certificates in data processing from the University of Missouri-St. Louis.


portrait: Christine PetersonChristine Peterson, Amigos eShelf℠ Service Manager
Christine manages the Amigos eShelf℠ Service, an ebook platform developed for libraries to enhance their electronic resource services. She is the initial contact for both libraries and publishers and presents Amigos eShelf℠ sessions at conferences and online. In addition, she supports the service and facilitates the development process.

Previously, she provided training, support and consulting services for Amigos member libraries in the areas of Internet and technology. Prior to joining Amigos, Christine served for eight years as the automation consultant and then manager for the Continuing Education and Consulting Department of the Texas State Library and Archives Commission. Before that, she was the systems librarian at San Antonio College and the Florida Institute of Technology, Melbourne. She holds Bachelor of Science degree in music and a Master of Library Science degree from Indiana University, Bloomington.


portrait: Bill WalkerBill Walker, Metadata and Digitization Specialist
Bill is the metadata and digitization expert at Amigos. His courses cover all aspects of digital projects and metadata, including cataloging and RDA. Prior to joining Amigos in 1996, Bill served as Music Cataloger at Southern Methodist University, Dallas. He has a Bachelor of Music degree in classical guitar and a Bachelor of Music Education degree from the University of New Mexico, Albuquerque; a Master of Music in music theory and a Master of Science in library science from the University of North Texas, Denton.