How to Use Hackathon Judging as O-1A Visa Evidence

Most founders hear "O-1A" and picture a Nobel laureate. That is not who this visa is for. The O-1A is for people whose peers recognize their expertise — and judging a hackathon demonstrates that recognition directly. You can build a qualifying judging portfolio in six to twelve months, starting with an email and a relevant technical background.

USCIS built the judging criterion into the O-1A precisely because peer evaluation is a credible signal of standing in a field. You do not need a publication, a patent, or a press feature to satisfy it. You need an invitation to evaluate the work of others, and documentation that proves it happened.

This is the full playbook: who qualifies, what counts as judging, how to get invited, the documentation USCIS wants, and how many events you actually need.

Who actually qualifies for the O-1A

The O-1A is for individuals with extraordinary ability in science, education, business, or athletics. That phrase sounds intimidating. It is not a synonym for famous. USCIS defines it through eight criteria, and you need to satisfy at least three.

The criteria include awards for excellence, membership in associations requiring outstanding achievement, press coverage, judging the work of others, original contributions of major significance, authorship of scholarly articles, a critical role at a distinguished organization, and high remuneration relative to peers. Most founders can build a credible case across three or four of these without a single publication or award from a household-name institution. If you are not sure whether your background clears the bar, the FAQ on whether you're extraordinary enough for an O-1A is a good place to pressure-test your read.

The judging criterion sits in that list as one of the most actionable. Unlike a major award or a Forbes feature, it is something you can pursue directly. You do not need a gatekeeper to say yes first.

To qualify for the O-1A at all, you need to be coming to the US to work in your area of extraordinary ability. Founders typically sponsor themselves through their own company or use a US-based employer or agent as the petitioner. If you are pre-incorporation or between entities, that is a structural question worth resolving early, because the petition requires a US petitioner.

What counts as judging under the O-1A

The O-1A judging criterion requires that you have participated as a judge of the work of others in the same or an allied field. That language is broader than most founders realize. Qualifying formats include:

• Hackathon judge, in-person or virtual
• Demo day judge at an accelerator or university program
• Startup pitch competition panelist
• Peer reviewer for an academic or technical conference
• Award committee member for an industry recognition program
• Grant review panelist

The field alignment matters. A software founder judging an AI hackathon is clean. That same founder judging a fashion design competition is not. The work you evaluate has to connect to your area of expertise.

Quality matters more than count. One Major League Hacking event or a Y Combinator demo day panel carries more weight than five obscure local events. A demo day judging role is stronger when the organizing body has national reach and a recognizable name. USCIS adjudicators look at the prestige and reach of the organizing body, not just how many times you have judged. According to USCIS data on O-1 petitions, approval rates have held above 90 percent across recent fiscal years — but that headline number masks a wide gap between thinly evidenced petitions and well-documented ones. Judging works best as part of a broader evidence strategy across multiple criteria, not as a standalone play.

Peer recognition and the judging criterion

The judging criterion is not just a box to check. It is a proxy for peer validation. USCIS is asking whether people who operate in your field consider your judgment worth seeking out. Being invited to evaluate someone else's work answers that question directly.

This is why the organizing body matters as much as the invitation itself. An invitation from a program your peers recognize — MLH, Y Combinator, NeurIPS, a Techstars affiliate — carries signal precisely because those programs are selective about who they ask. The invitation is the peer validation. The documentation proves it happened.

Peer recommendation letters reinforce this. A letter from a recognized figure in your field that speaks specifically to why your judgment was sought, what expertise you brought to the panel, and how the event recognized your standing adds a layer of corroboration that USCIS adjudicators weight heavily. Generic letters do not move the needle. Letters that name the event, explain the selection process, and describe your specific contribution do.

If you have served as a judge multiple times, letters from different organizers in different contexts build a pattern. One invitation is a data point. Three is a trend. That distinction matters when adjudicators are making a holistic judgment about whether your recognition is real or assembled.

How founders actually get judging invitations

This is the part nobody explains clearly. Here is the playbook.

1. University hackathons

Most university hackathon organizers are undergraduate students actively recruiting industry judges. They need you. Find events on the MLH event listing or Devpost. Email the organizer directly. Keep it to three sentences: who you are, your technical background, and a direct ask to judge. Response rates are high.

2. MLH-affiliated events

Major League Hacking runs hundreds of events annually and is recognized by name in immigration contexts. MLH events carry real institutional weight. Search mlh.io for upcoming events and contact organizers through the event page or LinkedIn.

3. Accelerator demo days

Y Combinator, Techstars, On Deck, and dozens of regional accelerators run demo days that need external judges. These are harder to crack cold. Warm introductions through your investor network or alumni connections work best. The evidence value is high, so the extra effort is worth it.

4. Industry award programs

Awards like the Webby Awards, Product Hunt Golden Kitty, and vertical-specific industry recognitions recruit committee members. Check the award website for a "nominate a judge" or "join the committee" link. Many run open applications.

5. Conference peer review

ACM, IEEE, and major AI/ML conferences including NeurIPS, ICML, and ICLR run open calls for reviewers. This is peer review rather than hackathon judging, but it satisfies the same USCIS criterion. If your background is in technical research, this is a strong path.

How to write the outreach message

Keep it short. Three sentences: your name and company, your relevant technical expertise, and a direct ask to judge their upcoming event. No biography. No lengthy credential list. Organizers are busy students or program managers who need a fast yes or no from you. Getting invited is mostly about low-friction, direct outreach — not credentials.

The documentation USCIS wants for judging evidence

Getting invited is only half the work. USCIS adjudicators need to verify that the judging happened and that the event has standing. Evidence credibility depends on documentation at three stages: before the event, during confirmation, and after.

Your judging evidence checklist

For every event you judge, collect:

☐ Invitation letter or email — names the event, date, your role, and what you are evaluating

☐ Public confirmation — official LinkedIn post and event page listing you by name, title, company, and role (save PDFs with URL + date visible)

☐ Supporting materials — event description and agenda, participant/team numbers, judging rubric, prize info, anything showing selectivity

☐ Post-event confirmation letter — on official letterhead, confirming you served, the date, what you reviewed, how judging was conducted, and the number of participants

☐ Peer recommendation letter (where possible) — from a recognized figure, naming the event and your specific contribution

The invitation

The invitation letter or email is your starting point. It needs to confirm the event name, event date, your role as a judge, and what you are being invited to evaluate. A vague "we'd love to have you" does not cut it. Specificity is what makes it credible.

See template →

Public confirmation before the event

Once judges are confirmed, the organizer should publish an official LinkedIn post listing judges by name, title, company, and role. The event page or website should reflect the same. Save PDFs of both, with the URL and date visible. This creates an independently verifiable paper trail that USCIS can check without taking your word for it.

Also collect and save the following before the event closes:

• Event description and agenda
• Participant and team numbers, if available
• Judging rubric or scoring criteria
• Prize information
• Any materials showing the hackathon's selectivity or credibility

Post-event confirmation letter

After the event, the organizer should issue a confirmation letter for each judge. This is the most important document in the file. It should confirm that you actually served as a judge, the date, what you reviewed, how judging was conducted, and the number of participants or teams. It should be on official letterhead or sent from an official organizer email. Do not skip this step and do not let it slide weeks after the event. Ask for it while the organizer is still in event mode.

See template →

How many judging events do you actually need?

Three to five well-documented judging events is a strong portfolio. More is fine. Fewer is risky unless the events are exceptionally prestigious.

Build this over six to twelve months before your intended filing date. USCIS looks for a pattern of recognition across time, not a single event crammed in before you file. Starting early gives you room to add events if your first round of outreach does not land.

One MLH event with 500 participants and tight documentation outweighs five local no-name hackathons with thin paperwork. USCIS reporting shows the O-1 approval rate has stayed in the 90 to 94 percent range across recent fiscal years, but that strength rests on building deliberate, well-documented evidence across multiple categories — with judging as a consistent thread. The preparation is the work.

Common questions

Can I judge virtually?

Yes. Virtual hackathon judging fully qualifies. Document it the same way you would an in-person event.

Does the hackathon have to be in the US?

No. International events qualify as long as the field is relevant to your O-1A petition.

What if I am a first-time founder with no public profile yet?

University hackathons are the right starting point. Organizers care about your technical background, not your follower count or press coverage.

Does judging count if I also entered the same hackathon?

No. You need to be evaluating others' work, not competing yourself. The roles cannot overlap.

Build it, document it, file it

The judging criterion is one of the few O-1A building blocks where the outreach is genuinely in your control. You do not need a gatekeeper to say yes to a publication pitch, or a journalist to decide your story is worth covering. You need an email and a technical background. The doors are open.

Concord works with founders to map exactly which judging opportunities fit their profile, handles the outreach strategy, and makes sure the O-1A judging criterion evidence is tight enough to hold up under USCIS scrutiny.

Templates & downloads

Everything you need to document a judging event, in one place:

• Hackathon Judge Invitation Letter — template (PDF)
• Hackathon Judging Confirmation Letter — template (PDF)

Want a clear plan for your O-1A evidence portfolio? Start with our webinar on how to qualify for the O-1A, or go deeper with the O-1A Visa Guide: everything you need for a successful application in 2026.