John Holder

John Holder is an experienced professional in the field of technology, with a career spanning over two decades. Currently serving in a dual role at Yahoo's Zimbra Division since 2007, John Holder has held positions in Developer Relations and Server Administration, as well as Manager of Community and Developer Relations. Previous roles include Lead Developer at gamerDNA and Director of Information Technology/MIS at Tombstone Unified School District. Earlier in the career, John Holder worked as an Information Technologies Technician at both Willcox Unified School District and Duncan Unified School District. John Holder holds an Associate of Science degree in Behavioral Sciences with a focus on Psychology from Arizona State University West, complemented by an A+ Certification and a background in music.