Hi Swiss Cynic,
I don't know if the following are teachers of the Alexander Technique, but they do practice it:
Studio Für Musik & F.M. Alexander Technik
Noëmi Borer
Gartenstrasse 81
4052 Basel
061 311 28 41
Franziska Schmeitzky Britschgi
Elisabethenstrasse 38
4051 Basel
061 271 34 10
franziska.schmeitzky@bluewin.ch
I hope this information helps!
Cheers,
Hotspur