If you are interested in inviting a foreign national to the United States to undertake research/teaching in your department, the following links will familiarize you with the J-1 Exchange Visitor visa status, your role in bringing this person to the U.S., and the process to follow.
Basic information about immigration rules, home residency requirement, dependents, health insurance, travel, employment, and other topics can be found here.
DS-2019 Training Materials
List of Position Codes [PDF]
U.S. Government Links
REVIEW THE FOLLOWING INFORMATION: