Spuzz
Somehow, I remembered that after he packed up, returned to Taiwan?
It seems to be a popular destination for those who can retire over there. Close enough for a modern region with one of the best managed socialist medical care. Know many from China and Hong Kong and SE Asia who prefer to go over there for medical treatment instead of traveling to N. America or to Europe.
No matter where he is now, hope he lives out a fulfilling life. It would still be a tough field to compete in even with his knowledge and experience, with all the major players in the field, even Mike could have sourced enough support back then, will still be a tough ride.