Jochen Merz
Jochen Merz, based in Duisburg, Germany, was involved quite prolifically with the Sinclair QL scene (especially in Germany) and mainly with software that used the pointer environment from QJump. He was most active in the late 1980s, throughout the 1990s and beyond. He currently offers general IT (PC and Android) support.
He wrote and/or published some software commercially, including the following titles:
Arcanoid
Arcanoid 2
Black Knight
Brain Smasher
Diamonds
Doppel Ion
EasyPTR
Fight in the Dark
Firebirds
Full House
HOT Install
Hyper Help for Basic
Ion Gold
Ldump
Minefield
The Lonely Joker
The Oracle
Pengi
Pipes
QD
QDesign
QLQ
QMenu
QShang
QSpread99
QSYS
The Wall
Jochen was also responsible for publishing the QL Today magazine and bringing several QL emulators for the Atari ST to the market, including:
QVME
STQL Emulator