Abraham.
Judaism does not have a centralized leadership.
Israel
Jerusalem
Rabbis and cantors
Prophet Muhammad (peace be upon him) is the original leader of Islam.
The is no such thing as a "judaism".
Of course not.
The leader of Judaism is the patriarch of the family of priests, known in Hebrew as the Kohen Gadol or "high priest". The family are responsible for all services, operations, and activities in the Holy Temple. There has been no Holy Temple, no functioning family of priests, no Kohen Gadol, and no single leader of Judaism, for roughly 1,940 years.
Belief in God and in the Torah.
Jews worship in synagogues.
No, Jews worship in synagogues.
The lord God or Yahweh is the diety in Judaism.