
Yes. If you change employers, the new employer or agent must file a new O-1 petition before you begin working for them.
The O-1 is petition- and employer-specific. The approval is tied to the employer or agent that filed for you and to the specific work described in the petition.
If you move to a new employer, that employer (or an agent acting for you) must file a new Form I-129 petition on your behalf. You generally should not start the new work until the petition is filed and properly handled.
O-2 essential support personnel, who assist an O-1 artist or athlete, may only change employers in conjunction with the O-1 they support, reflecting how closely tied the O classifications are to specific work.
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