What is a Moderator?

It’s usually me asking the questions but recently the tables were turned when journalist, moderator and friend Rene Wyndham interviewed me for a French radio station about my work as an event host.  She started by posing a question I am often asked “what is a moderator?” If you have ever wondered what exactly we do have a listen here:  https://hearthis.at/mosaique-fm-zw/10-1118-0125anya-sitaram-moderator-and-journalist