Difference between Panelist and Panellist

What is the difference between Panelist and Panellist?

Panelist as a noun is a person who is a member of a panel. while Panellist as a noun is a person who appears on a panel, either as a member of a committee or jury, or as part of a panel game.

We hope you now know whether to use Panelist or Panellist in your sentence.