Dennis Schierholz

Dennis Schierholz is a seasoned IT professional with substantial experience in service management and application support. Currently serving as a Senior IT Service Manager at ISS Deutschland since August 2023, Dennis is responsible for ensuring uninterrupted operations based on ITIL service management standards. Previously, at Vallourec since August 2007, Dennis held various roles, including IT Team Leader, where responsibilities included overseeing first-level support for internal users, managing external service providers, ensuring quality assurance, and improving support team efficiency while handling service documentation and monitoring ticket backlogs. Dennis's educational background includes a degree in Application Development from Heinrich-Hertz-Berufskolleg Düsseldorf and an Abitur from Gymnasium am Stoppenberg.