Your speaker must be a KOL (Key Opinion Leader) but also a good "dinner guest." Charisma matters. A dry reader of slides will ruin even the best filet mignon.
Similarly, are becoming popular for major medical conferences. Instead of traveling to Chicago or Orlando, a group of 20 emergency physicians rents a private dining room, streams the keynote address, and holds a structured debrief over dinner. They earn CME for the watch and the debrief. CenaCme