Born in a Jewish family and raised as a Christian, Miguel Herz-Kestranek established himself as a "Jewish Buddhist" through his friendship with the Buddhist monk Banthe Seelawansa Thero, who lives in Vienna.

[1] Miguel Herz-Kestranek has been married to Miriam since September 2016[2] and has a daughter, Theresa,[3] who is an alternative dog trainer in Lower Austria from an earlier relationship with the Austrian actress Dorothea Parton.

Growing up by the lake, Miguel Herz-Kestranek is a passionate sailor and founded the former Austrian O-dinghy association in the 1980s.

In addition to many regattas, he also participated in the European O-Dinghy Championships in 2005 on Lake Wolfgang.

[4] Miguel Herz-Kestranek lives in seclusion, alternating between Vienna and Lake Wolfgang.