Investegate |GRENKE AG Announcements | GRENKE AG: GRENKE: Chair of the Board of Directors Antje Leminsky leaves the Company; Michael Bücker to take over as of August 1, 2021 investegate.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from investegate.co.uk Daily Mail and Mail on Sunday newspapers.