You can get more information about Jon's expedition at the following link:
International Mountain Guides (IMG) has several different teams that are on different rotations. IMG offers 3 types of services:
1) Everest climb 1:1 Western guide
2) Hybrid Everest climb 1:1 Sherpa guide and 4:1 Western guide
3) Classic Everest climb 1:1 Sherpa guide
Jon is in the first "Classic" team.
Last night, he called from his sat phone to let me that all is well. They are at Lobuche base camp and are heading for Everest base camp tomorrow (tonight our time).
You can track his current location with the following link: