Salk Institute
Principal Investigator
Principal Investigator

A letter from your PI for the US Consulate or Embassy may be helpful. While no clear guidance has been provided by the US Department of State, having a letter from your PI describing your research in lay terms may be helpful. Note that, even if you provide this information, the US Consulate or Embassy may still request further information and/or proceed with administrative processing through the US Department of State in Washington, DC.

  • The letter should be on Salk letterhead and be signed and dated by your PI/Supervisor.
  • The duties/research described in the letter should be appropriate for your visa type and consistent with your current nonimmigrant status and length of authorized stay.
  • The letter should only contain the information specified below.
  • Before a letter is prepared, check the information provided by the US Consulate or Embassy you plan to visit in case additional information is requested.

The letter should include:

  • Your name
  • Your Salk title
  • The work you are performing at Salk—written for a lay audience
  • A brief, but detailed and not too technical description of the research you are conducting, whether it is basic or applied research, and any practical applications
  • If the research has no military or defense related purpose and/or is not subject to export controls, it might be helpful if that is stated
  • A very brief explanation of how your qualifications match the requirements of the position
  • That you are expected to return to Salk to continue your research (and how important a timely return is to the continuing research project)
  • Contact information of your PI in case of additional information needed

Please feel free to contact the Sr. Immigration Advisor for any questions.

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Salk Institute for Biological Studies
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Phone: 858.453.4100
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