Fritze has been SVP of the services business of the Copenhagen, Denmark-based reseller and developer since May 2015. In terms of other notable changes, earlier this month Keld Jersild Olsen resigned as business unit executive of Columbus US, a job he had held since May 2015. Also, Bryan Wilton, who had been president of Interdyn BMI, left to take a job with LBMC. BMI was purchased by Columbus in 2015. Another departed was Dan Aggerholm, who became COO of Ventu A/S this month. He had been CoE of professional services for Columbus since December 2012. Before joining Columbus, Fritze was COO of EG A/S, a Scandinavian IT services company, from September 2010 through April 2015.