10 years
USA, Philippines
Tough Question! Kenya, probably. Ethiopia's a close second.
Too many to list; career development and enhancement, extensive & profound deepening of all round sensory coffee knowledge, building of networks and resources. All of these immeasurably permeate your coffee life going forwards.
English, some Spanish and French
I am an SCAA specialized instructor and so teach numerous courses/pathways regarding many other facets of the industry. I roasted coffee and have done for WBC competitors, including a finalist. I was a WCE judge and now train USBC and USBrC finalist competitors. I consult on new roasteries, cafes and other projects in the industry.
Becoming involved in CQI is one of the best decisions I ever made!