Staff
Konrad Mühleisen
Master Organ Builder, Senior Head
Company Founder 1986
Karl-Martin Haap
CEO, Master Organ Builder
Employee since 1986
Rainer Knittel
CEO, Organ Builder
Employee since 1987
Thomas Barthold
Organ Builder, Dipl. Ing. Wood Tech.
Employee since 2010
Lukas Degler
Master Organ Builder, freelancer
Employee since 2015
Karl-Heinz Flad
Organ Builder
Employee since 1994
Constanze Freiling
Organ Builder, freelancer
Employee since 1996
Angela Hanke
Master Organ Builder
Employee since 2005
Christoph Hanke
Organ Builder, Dipl.-Ing. Architecture
Employee since 2008
Theo Holder
Organ Builder
Employee since 1986
Martina Käfer
Organ Builder, Dipl. Music Therapist
Employee since 1992
Jessica Mayer
Master Organ Builder
Employee since 2016
Reinhard Metzger
Organ Builder
Employee since 1994
Gudrun Mürle
Bank Clerk
Employee since 1998
Ho Jung Noh
Master Organ Builder
Employee since 2017
Tim Bender
In training since 2025
Maija Grondey
In training since 2024
Thomas Möseler
Wood technical school since 2025
Sebastian Schlag
In trainig since 2025
Christoph Dörr-Schneider
Master Organ Builder, Conservator, freelancer
Employee since 2005
Eva-Maria Fritz
Organ Builder
Employee since 1996
Christof Lehnert
Organ Builder
Employee since 1994
Peter Weimer
Organ Builder
Employee since 1987
Staff
Konrad Mühleisen
Master Organ Builder, Senior Head
Company Founder 1986
Karl-Martin Haap
CEO, Master Organ Builder
Employee since 1986
Rainer Knittel
CEO, Organ Builder
Employee since 1987
Thomas Barthold
Organ Builder, Dipl. Ing. Wood Tech.
Employee since 2010
Lukas Degler
Master Organ Builder, freelancer
Employee since 2015
Karl-Heinz Flad
Organ Builder
Employee since 1994
Constanze Freiling
Organ Builder, freelancer
Employee since 1996
Angela Hanke
Master Organ Builder
Employee since 2005
Christoph Hanke
Organ Builder, Dipl.-Ing. Architecture
Employee since 2008
Theo Holder
Organ Builder
Employee since 1986
Martina Käfer
Organ Builder, Dipl. Music Therapist
Employee since 1992
Jessica Mayer
Organ Builder
Employee since 2016
Reinhard Metzger
Organ Builder
Employee since 1994
Gudrun Mürle
Bank Clerk
Employee since 1998
Ho Jung Noh
Master Organ Builder
Employee since 2017
Tim Bender
In training since 2025
Maija Grondey
In training since 2024
Thomas Möseler
Wood technical school since 2025
Sebastian Schlag
In trainig since 2025
Christoph Dörr-Schneider
Master Organ Builder, Conservator, freelancer
Employee since 2005
Eva-Maria Fritz
Organ Builder
Employee since 1996
Christof Lehnert
Organ Builder
Employee since 1994
Peter Weimer
Organ Builder
Employee since 1987