Stein Schuddinck started making guitars at the CMB, Centre for Musical Instrument Making at Puurs, Belgium. He made classical guitars as well as steel string guitars.

In 2005 he followed a master course with José Romanillos in Siguënza, Spain. In 2008 he followed a lute making course under supervision of Carlos González.

In 2011 he took over the workshop of guitar maker Mark Peirelinck in Schaffen, Belgium.

Since 2010 Stein Schuddinck is appointed as teacher guitar making at ILSA.