Yes, Jesus existed. But he is much more than a historical figure. Both Jews and Gentiles have been gripped by the person of Jesus as they read the Gospel accounts. If even non-believers must acknowledge Jesus’ existence, then the Gospels make it evident that he has the power to change our lives.
Scholars and theologians debate the particular kind of Judaism Jesus represented, but it was Judaism nonetheless. There was, as yet, nothing called “Christianity.”
Jewish scholars have paid more attention to the person of Yeshua (Jesus) in the last hundred years than they have in the previous nineteen hundred.