J visa allows those who intend to participate in an approved program for the purpose of teaching, instructing or lecturing, studying, observing, conducting research, consulting, demonstrating special skills, receiving training, or to receive graduate medical education or training, to enter the U.S. and remain in the country temporarily.
The Department of State designates public and private entities to act as exchange sponsors, and applicants must be sponsored by one of the qualifying exchange programs. These programs are designed to promote the sharing of persons, knowledge, and skills, in the fields of education, arts, and science.
Applicants must be able to pay for round trip airfare, all expenses while in the U.S., and maintain health insurance coverage as requirements of this visa.