Workers with Extraordinary Abilities
O-1 extraordinary status are for individuals of extraordinary ability in the sciences, arts, education, business, or athletics who are in the United States to work for a sponsoring employer or organization.
The O-2 visa is for individuals accompanying an O-1 visa holder, in a support role.
The O-3 visa is for the spouse or children of an O-1 or O-2 visa holder.
O-1 Applications: no earlier than 6 months in advance, but no later than 1 1/2 month prior to the status expiration date/start of employment.