In 1985 he founded the record label Low Spirit together with his brother Maximilian Lenz, producer Klaus Jankuhn, Sandra Molzahn and William Röttger.
[3] In 1988 Lenz released a few singles and EPs on Low Spirit, most of which have been produced together with Klaus Jankuhn.
Lenz also remixed tracks by Raver’s Nature (Somebody Scream, 1996) and Genlog (More Music, 1998).
Lenz also initiated the idea for Germany's largest indoor-rave Mayday, which was established in 1991 in order to save the East German youth radio station DT64, which should be liquidated after the Peaceful Revolution in 1989.
In 2001 Lenz became Managing director of Love Parade GmbH, which organised the annual Loveparades.