A recommendation letter from your U.S. citizen student or intern: is it worth adding to your NIW?

When people plan their NIW recommendation letters, they usually aim as high as they can: their PI, a well known professor in the field, someone at another university who cited their work. That makes sense. Those letters do most of the heavy lifting.

But there's another kind of letter that a lot of self-petitioners never think about. It comes from someone below you, not above you. A student you supervised. A summer intern. A junior researcher you trained at the bench. And if that person is a U.S. citizen, their letter can tell the officer something your senior letters can't.

Why a mentee's letter can help

Officers decide NIW cases using the three prongs from Matter of Dhanasar. A letter from a U.S. citizen you trained doesn't prove any prong on its own, but it can support a few of them in a way that's hard to show otherwise.

Prong 1, national importance. Dhanasar says an endeavor with "significant potential to employ U.S. workers or [that] has other substantial positive economic effects" can have national importance. Training the next generation of American scientists and engineers is one of those effects. A letter from someone you trained puts a real person behind that claim.

Prong 2, well positioned. One of the things the officer looks at is your "record of success in related or similar efforts." If you say you mentor students, a letter from one of them is the evidence.

Prong 3, the waiver. One of the factors here is whether the U.S. would benefit from your contributions "even assuming that other qualified U.S. workers are available." This is the one I find most interesting. The whole point of labor certification is to protect American workers. A letter from an American who got better at their job because of you flips that concern around. You aren't taking an opportunity from a U.S. worker. You're helping create one.

Be realistic about what it is

A mentee is not an independent expert. They know you personally, and in most cases they're more junior than you. Officers know that too. So this letter is a supplement. It should sit alongside your strong expert letters, not replace one of them.

If you're planning four or five letters, think of this as one of them at most. And citizenship isn't a legal requirement for any letter writer. It just makes the "helping U.S. workers" point much more direct.

Who to ask

The best person is someone who:

worked with you for a real stretch of time, not a two week rotation
can name specific things you taught them, like a technique, a piece of software, how to design an experiment or write a paper
has moved forward since then, into grad school, medical school, an industry job or their own research

That last point matters most. Where they are now is your evidence. "I trained her in 3D cell culture and she now runs those assays at a biotech company in Boston" is a much stronger sentence than "I supervised an undergraduate."

How to ask without making it awkward

There's a power imbalance when a supervisor asks a student for a favor, so be careful here. Ask people who are no longer under your supervision if you can. Make it easy for them to say no. And never connect the letter to anything you control, like a grade, a reference or a spot in the lab.

Most former students are happy to help. Many will be flattered you asked.

What the letter should cover

It doesn't need to be long. One to two pages is plenty. A good mentee letter usually includes:

Who they are, their current role, and a clear statement that they are a U.S. citizen.
How they know you: where, when, for how long, and in what role.
What you actually taught them. Specific skills, not "he was a great mentor."
What came out of it: a paper or poster you worked on together, an award, a grad school admission, a job.
Why your training made a difference to where they are now.
Their signature and contact details.

Specifics are everything. Officers read a lot of letters, and the vague ones all sound the same.

Can you draft it for them?

Yes, and many self-petitioners do. I drafted all four of my own recommendation letters and sent them to my recommenders to review. Students in particular will appreciate it, because they probably don't remember every date and have no idea what an immigration letter is supposed to look like.

Two rules, though. First, everything in it has to be true, and the person signing it has to read it, agree with it and be free to change it. Second, make it sound like them. A former intern doesn't write like a department chair. If your mentee letter uses the same phrases as your expert letters, an officer may notice, and it weakens all of them. Use their voice, their memories and the details only they would know.

Back it up with evidence

A letter is stronger when the officer can check it. If you can, attach something that shows the mentoring happened: a co-authored paper or abstract, an internship program record, a lab roster or a letter from the program coordinator.

For citizenship, a clear statement in the letter is usually how people handle it. Personally, I wouldn't ask a former student to hand over a copy of their passport. That's a lot to ask of someone doing you a favor.

Using it in your cover letter

Don't just list the letter as an exhibit and move on. Pull one strong sentence from it and quote it where it fits: in your well positioned section next to your mentoring record, or in your waiver section where you argue the U.S. benefits from your work. Give the exhibit number so the officer can read the rest.

See real NIW letters

If you've never seen what an NIW recommendation letter looks like, it helps to read a few before you ask anyone. I share the four recommendation letters from my approved EB-2 NIW self-petition: two from people I worked with directly and two from independent scientists I never worked with. Names and details are replaced with placeholders. Reading them side by side shows how a letter from someone who knows you differs from an independent one, and a mentee letter falls squarely in the first group.

If you want everything in one place, the complete self-filing package includes the letters along with my cover letter, CV and filled I-140.

Get my EB-2 NIW recommendation letters →

Not legal advice. I'm a scientist, not a lawyer, and this post is for educational purposes only.