| Visa Type | Description | Time Limits |
| J-1 Scholar (Research Scholar / Professor, Short-term Scholar, Specialist) | - Allows temporary programs of research and teaching (short-term scholar, research scholar, professor) or observation and consultation using specialized skills (specialist)
- Not available for tenure-track, career, or other indefinite / permanent positions
- Certain visitors may be subject to bars on participation and/or required to return home for two years before qualifying for long-term U.S. employment or residence
| - 1 day to 6 months (short-term scholars)
- 3 weeks to five years (research scholars, professors)
- 3 weeks to 12 months (specialists)
|
| J-1 Student Intern | - For a student enrolled full-time in an overseas institution of higher education invited to come to Brown to engage in full-time internship that will be used to fulfill requirements for their degree program
- Cannot include more than 20% administrative work
| |
| H-1B Temporary Worker in a Speciality Occupation | - For specialty occupation workers (temporary or permanent positions that require specialized skills and knowledge)
- Requires bona fide employer / employee relationship
- Authorization is job, worksite, and employer-specific
| - Up to 3 years, extendable to a maximum of 6 years
|
| O-1 Individual of Extraordinary Abiltiy | - For persons of demonstrated extraordinary ability or achieve in the the sciences, arts, education, business, or athletics
| - Up to 3 years, extendable indefinitely in 1 year increments at at ime
|
| TN Professional | - Restricted to citizens of Canada or Mexico
- Allows employment in a profession included in the US / Mexico / Canada (USMCA) trade agreement
| - Up to 3 years, extendable indefinitely in increments up to 3 years at a time
|
| E-3 Australian Specialty Occupation Worker | - Restricted to citizens of Australia
- Requires employment in a specialty occupation
| - Up to 2 years, extendable indefinitely in 2 year increments
|
| B-1 / Visa Waiver Program Business Visitors | - Only for short-term visitors making business trips to U.S.
- Employment not permitted, but in certain circumstances may be eligible for travel expense reimbursement and/or honorarium payments
| - For duration of business activity, up to 6 months (B-1) or 90 days (WB)
|