|Born||1953/1954 (age 65–66)|
|Alma mater||University of Erlangen|
|Net worth||$5.8 billion (April 2018)|
|Children||Katharina and Maximilian Viessmann|
|Relatives||Johann Viessmann (grandfather)|
Viessmann is CEO of the Viessmann Group.
In 2012, Greg Kleinheinz was appointed as the first Viessmann Endowed Chair in Sustainable Technology at the University of Wisconsin Oshkosh, created with an endowment from Viessmann and his wife Annette.
- "Forbes profile: Martin Viessmann". Forbes. Retrieved 21 April 2018.
- "UWO professor named first-ever Viessmann Endowed Chair in Sustainable Technology". UWO. Retrieved 21 March 2015.
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