how to extension j1 visa

[Phurin]

hi.
i hold j1visa and it's expire in the end of july. which way can i extension and how?. Right now i'm live in Yosemite .Please tell me completely and give me more details. Thank you very much.

 

[akatu]

You should know this

Usually sponsoring institution would take care of this. Talk to your sponsor who filed J1 for you.