From Raxel Van Schred of the official Jun Sunoue fan site:
I recieved word from Jun that he will be making an appearance at the Anime Expo 2004 this weekend at the Anaheim Convention Center. If you’re in the LA area, or are a fan that is wlling to travel, go and say hello!
The 13th Annual Anime Expo starts on Friday July 2nd and ends on Monday July 5th. Opening hours and other details can be found on the official website for the convention.
There are more details regarding the specifics to come, stay tuned!