Yes, there are people who have the ability to help you see your other lives, but that is only because you give them the power.  You have the power to explore any of your “past” lives yourself, and all lives are occurring simultaneously, in the Now. But based on how you feel about your own power, you may give a regression experience more validity with the help of a “trained professional.”

Also see “do you believe in past lives.”

Yes. Yet since everything is happening instantaneously they are all going on right now.

Here on the physical plane, we have collectively agreed to add a time factor to our physical existence. This is so we could insert ourselves into a certain point of Earth’s expression, to experience a specific set of circumstances.