Chabad of Greenfield is one center of the worldwide Chabad Lubavitch movement. 

What is Chabad-Lubavitch? Well, in a nutshell...

Chabad-Lubavitch is a philosophy, a movement, and an organization. 

It is considered to be the most dynamic force in Jewish life today.

Chabad of Greenfield, a branch of this world-wide movement, is directed by Rabbi Yitzi and Miri Goldwasser.