Zach has been the director of Children's Services at Ericson Public Library in Boone, Iowa since October 2011. He recently became an independent consultant for the Space Science Institute. In 2011, Stier opened Mr. Z and Company, LLC, a consultancy firm for educators and librarians. He is also an adjunct lecturer for the University of Illinois Champaign iSchool graduate program teaching Early Literacy and Public Library Partnerships. He serves on numerous state and national boards and was recently selected to be part of the Fred Rogers Institute program, The Educators Neighborhood.  He holds degrees from Grandview University, Drexel University, and Concordia Portland, as well as postgraduate studies in Early Childhood from Erikson Institute, and a Doctorate in Education from Concordia Chicago.  In 2011, Zach rescued Oliver Jones and their adventures began.