John McCallum

John McCallum has over a decade of experience in the technology and systems administration sectors. At Dentsply Sirona, John has been serving as a Campus LAN Administrator since April 2013. Prior to this role, John worked as a Systems Administrator at Netrepid from May 2012 to April 2013, and held the position of Corporate Officer at Lion Technologies, Inc. from July 2004 to May 2012. Additionally, John co-owned LTEK Gaming from February 2005 to January 2011. John McCallum completed education at York County School of Technology from 2000 to 2004 and briefly attended Penn State University in 2005.