Wittenbach
John Dunn is an experienced professional with a strong background in electronic security systems and field service roles. Currently serving as Regional Manager and Service Team Lead at Wittenbach Business Systems since November 2010, John leads a team in the South Central Region and has expertise in customer service and technical support. Prior experience includes roles at Spectrum Financial Systems from 2004 to 2010, where responsibilities encompassed technical support, installation of security equipment, and training end users. Earlier positions also include serving as a Field Service Technician at Spectrum Financial Systems and Coca-Cola Bottling Co. Consolidated, with a focus on service and maintenance of electronic systems. John began their career at Ray Harris Towing, contributing as a driver and machinist. An alumnus of Northwest Guilford High School, John holds a diploma in Automotive Engineering Technology/Technician.
Wittenbach
For close to five decades, Wittenbach has delivered a full suite of branch transformation and security solutions to regional and national banks, credit unions, and large organizations. Using our integrated customer service model, we can help manage the entire lifecycle of your equipment, from initial consultation and installation to field support and comprehensive care plans. We’ll take the guesswork out of the process, so you can focus what matters most — your business.