I've stayed at several Airbnbs in Geneva, and Marc's place is definitely the best and will be the one I'm looking for next time.
1. Location can't be beat. A view of Cathedral Saint Pierre from the window, and in the center of Old Town.
2. Spotlessly clean, and housekeepers came during the week. I've stayed at dozens of Airbnbs and have never had that kind of service.
3. Marc's communication was very rapid and put me at ease.
4. Great for business travel. I stayed with a colleague, and I stayed in the dressing room with the Murphy bed. It was very comfortable and had good privacy with a separate door.
5. Great access to transit. It's a bit less than a mile to the 15, but it's a really nice walk through Old Town.