The American Society for the Alexander Technique (AmSAT): The largest professional organization of teachers of the Alexander Technique in the United States. http://www.amsatonline.org/

ATTiC: Alexander Technique Training in Chicago.  ATTiC is a three-year, 1600-hour, AmSAT-certified teacher training course directed by Daria Okugawa. http://www.alexandertechniquecentre.com/

The Complete Guide to the Alexander Technique:  The most comprehensive source for information about the Alexander Technique worldwide. http://www.alexandertechnique.com