The “East Coast Ham Operators” (ECHO) have held some interesting Zoom sessions with MFJ’s Martin Jue, Elecraft’s Eric Swartz, Dr. Bob Heil and WG0AT (who uses goats to support summits on the air). The recorded calls are available on their zoom channel at:
https://www.youtube.com/channel/UCP-gkJVxKm1iS43RwYsaKuA?reload=9