Private company

Donnerwetter.de GmbH

Logo: Donnerwetter.de GmbH, CC BY-SA 4.0, via Wikimedia Commons³

Donnerwetter.de GmbH is a German weather forecasting company based in Bonn, founded in 1996.¹ It was founded by Michael Hoffmüller-Klein and Karsten Brandt.¹ Its chief executive is Michael Hoffmüller-Klein (since 2001).¹

Last updated Oct 21, 2026.

Overview

Nov 1, 1996Founded¹

HeadquartersBonn, Germany¹
Websitewww.donnerwetter.de
Legal formGesellschaft mit beschränkter Haftung¹
LEI391200S914VJDVC8M065²
StatusActive²
LEI statusIssued and current²
Registered addressIm Bonnet 19a, 53229 Bonn, Germany²
Registered withLocal Court Bonn, HRB 9502²

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The story

Founded by Karsten Brandt and Michael Hoffmüller-Klein on Nov 1, 1996.¹

Leadership

Who has led Donnerwetter.de GmbH, and when. Pick a name to see everywhere that person has worked.

Chief executive

200020052010201520202025

FounderKarsten Brandt¹
FounderMichael Hoffmüller-Klein¹
Chief executive officerKarsten Brandt 2001 to now¹
Chief executive officerMichael Hoffmüller-Klein 2001 to now¹

Timeline

2001New chief executive Michael Hoffmüller-Klein becomes CEO¹
2001New chief executive Karsten Brandt becomes CEO¹
2001Renamed Name changed to Donnerwetter.de GmbH¹
Nov 1, 1996Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataDonnerwetter.de GmbH on Wikidata
2
GLEIFDonnerwetter.de GmbH LEI record (391200S914VJDVC8M065)
3
Wikimedia CommonsDonnerwetter.de GmbH logo by Donnerwetter.de GmbH, CC BY-SA 4.0