UK: Jenny Coxon from the NW of England (Rising Sun Band etc.) is a lovely player.
Reg Reader in Suffolk is a living link with a tradition of HD playing in East Anglia exemplified by Billy Benington. Reg has been teaching his grandson Tom Knight to play and he's doing well now.

Elsewehere in the world, look for Indian santoor players and the related Hungarian Cimbalom - it's a ubiquitous instrument in its many forms.