Zimbra
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.
Zimbra
Zimbra offers open-source e-mail, address book, calendar, tasks, and collaboration software. The company offers Zimbra Collaboration Server, which provides post-PC email, calendar, and collaboration solutions that solve the challenges faced by organizations mired in legacy communications infrastructure; and Zimbra Desktop, which aggregatesinformation across accounts such as Zimbra, Yahoo Mail, Gmail, and Hotmail.The company was founded in 2003 and is headquartered in Frisco, Texas with additional offices in San Mateo, California; London; Tokyo; Singapore; and Pune, India.