Mastering engineer and cutting master-lacquer discs since around 1999. He has worked primarily at:

Dubplates & Mastering (1999–2013)
Calyx Mastering (2013-2019)
[l1725509] (2019-present)

His cuts are signed with Loop_O / D&M / L∞P-O/D&M or Loop_O / Calyx, Loop_o/2020.

Contact: lupo (at) loop-o.com