Non-Microsoft building. In a very exceptional case, if the venue is Microsoft, then it must be on the name of one of the Board members of Global AI Community that works at Microsoft.
Accessible by public transport
Capacity to accommodate the event's attendance target of 150–400 people
Two separate rooms/tracks
Reliable Wi-Fi and power outlets
Space for sponsor booths and networking
Logistics Checklist
AV setup: Projector, microphones, HDMI cables, adapters.
Registration desk: Laptop, name badges, attendee list.