Rabbi Alon Anava was a secular Israeli who became ba'al tshuva after a near death experience. His survival was not only miraculous but his story of facing the Beit Din in shamayim has brought many lost Jews back to Hashem and Torah. Rabbi Anava has a website with many great shiurim.
This one is a must see.
"Mashiach is going to come any day and when Mashiach is going to be here, he's going to have a personal meeting with each person. Now what's gonna happen to a person that comes into the meetings, sits in front of the King and the King tells him 'What did you do to hasten the geulah?', 'What did you do to make me come faster', 'What did you do?'."