Cancom CEO Klaus Weinmann has resigned after 26 years at the helm of the German business.
President Thomas Volk (pictured on the right) is set to take the chief exec role, with Weinmann (pictured left) officially stepping down on 30 September.
In a LinkedIn post, however, Weinmann intimated that he will remain on Cancom's supervisory board to provide "advice and support".
Weinmann plans to continue as CEO of Primepulse Group - a post he has held since August - a German venture capital firm that is also Cancom's largest single shareholder.
In a statement on his departure from the top job at Cancom, Weinman said: "I need not emphasise that Cancom is very important to me. But the growth of the Primepulse Group and the increasing tasks that this entails for me will no longer allow for a dual function as a member of the management board in the future.
"However, I would like to continue supporting the transformation of Cancom in the direction of its cloud and managed services business. I will therefore ask the shareholders to allow me to join the supervisory board."
For Thomas Volk, it will be a promotion from his current role as Cancom's president and general manager, which he has held since 1 November 2017.
Volk is already responsible for the group's go-to-market strategy and marketing.
He also led Cancom's return to the UK market this year, after a six-year break, with two UK acquisitions, including London-based MSP Ocean Intelligent Communications and £80m-revenue UK reseller OCSL.
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