River
Y CombinatorBacked by Y Combinator

For GRFP applicants writing the personal statement

NSF GRFP Personal Statement Writer

Drop your CV or paste your experiences. Get a three-page personal statement draft under NSF's headings, with every line River wrote marked for your voice.

Where are you now? (optional)

Free to start. No card needed.

Example

Opening · example

When my star-finding code flagged a satellite trail as a new star, I learned that a result is only as good as the checks behind it.

I rebuilt the code, and the new version flagged 112 candidate variable stars. I presented them as a poster at a regional astronomy meeting.

In graduate school I want to [the question you want to pursue].

New lines carry a comment asking you to rewrite them. Brackets mark what only you know.

What you'll get

A three-page personal statement drafted from your CV

  • A three-page statement draft of about 1,600 words, under NSF's exact headings
  • Two or three research stories, each with your own role, a result and what followed
  • Broader Impacts from your real mentoring and outreach, plus plans that grow from it

Before and after

Your CV in. A three-page draft out.

What you drop in (example)

A one-page CV. B.S. in physics, expected May 2027. Research assistant, summers 2025 and 2026: wrote code to flag variable stars in survey images, rebuilt it after it mistook satellite trails for stars; we found 112 new candidates. Poster, regional astronomy meeting. Learning Assistant, intro physics, two semesters: led weekly problem sessions.

The start of your Intellectual Merit section (example)

Intellectual Merit I learned to distrust a result until I could explain it. Over two summers, I wrote code to flag variable stars in survey images. When it mistook satellite trails for stars, I rebuilt it, and the revised version flagged 112 new candidates. I presented them as a poster at a regional astronomy meeting. [What this taught you, or what it led to next.]

The first line is River's, so it carries a comment asking you to rewrite it. Your CV said "we found 112", so the draft credits the code you rebuilt and asks you to confirm it.

Why it works

How do you write the NSF GRFP personal statement?

The NSF GRFP personal statement, officially the Personal, Relevant Background, and Future Goals Statement, is your three-page case that you will grow into a scientist who advances knowledge and benefits society. River's personal statement writer drafts it from your CV or the experiences you paste. You get a short opening built on a real moment from your work, two or three research stories, Broader Impacts from what you have actually done, and Future Goals, all under NSF's required headings.

Each paragraph should be evidence for something NSF asks reviewers to weigh. For Intellectual Merit, the solicitation lists "The applicant's ability to: Plan and conduct research; Work independently; Work as a part of a team" (NSF 26-526). It continues with "Interpret and communicate research", "Take initiative", "Think creatively", "Solve problems" and "Persist and overcome challenges", plus "demonstrated intellectual ability". That is why "I" matters. "We built the model" hides which work was yours, so River names your part wherever your source says "we".

For Broader Impacts, NSF weighs how likely your activities are to "Increase participation in STEM", "Improve STEM education in schools through outreach and mentoring" or "Increase public scientific literacy and public engagement with STEM through community outreach." Seven more outcomes follow, and the Broader Impacts builder quotes all ten and maps your activities to them. River never invents experiences, numbers or awards; gaps become slots such as [number of students]. For finished statements to learn from, read these winning GRFP examples.

What lands in your doc

What's in your personal statement draft

  • A short opening built on a concrete moment from your own work, with no childhood clichés
  • Two or three research experiences, each with your role, a measured result and what followed
  • Your own part stated as "I" wherever your CV or notes say "we", flagged to confirm
  • Broader Impacts from your real mentoring, teaching and outreach: who, how many, how long
  • One or two future plans that grow from what you already do, with slots for partners
  • Future Goals, then a word count and every bracketed slot listed before you submit

How it works

From CV to three-page draft

  1. Drop your CV

    Drop a CV or résumé, or paste research, mentoring and outreach notes in any order.

  2. Tap your stage

    Optionally choose senior, graduated, or first-year grad student, so the framing fits what reviewers expect.

  3. River drafts it

    About 1,600 words land in your doc under NSF's headings, with slots wherever facts are missing.

  4. Rewrite marked lines

    Put each marked sentence in your own words, fill the slots, then ask for a reviewer's read.

How to write the GRFP personal statement yourself

Write for where you are now. NSF's solicitation says it "takes into consideration applicants' academic level," and its page for reviewers calls applicants "students in the beginning stages of STEM careers." If you are a senior, one summer project told with your role and result is real evidence, with or without a publication. If you graduated and are working, show how the job built research skills. A first-year graduate student has had more time, so show a question you chose yourself.

Build each research paragraph in four beats: the takeaway first, then what you did, a result you can measure, and what it taught you or led to. "I learned to design controls when my first assay failed" gives a reviewer more than a list of summers and labs. Open the statement the same way, with a concrete moment from your own work rather than a childhood memory that could belong to anyone. Personal background belongs here when it connects to what you did next.

Treat Broader Impacts like research: your role, who took part, how many, for how long and what changed. Add one or two future plans that grow from what you already do. Close with Future Goals: the degree you want, the career after it, and why the fellowship matters now, matching the plan the research proposal writer helps you draft. Keep the exact headings "Intellectual Merit" and "Broader Impacts", with a line break between them. The mock review then reads the draft as a panelist would.

Questions GRFP applicants ask

Common questions

How long is the NSF GRFP personal statement?

Three pages, with references, figures and any lists of publications counted inside the limit. NSF also requires letter-size pages, one-inch margins with nothing in them, and fonts such as Times New Roman at 11 points or Arial at 10 points or larger (NSF 26-526). River aims for about 1,500 to 1,700 words. Before you upload, the format checker checks pages, fonts and margins in your PDF.

What headings does the GRFP personal statement need?

Two are required, word for word: "Intellectual Merit" and "Broader Impacts", as separate sections with a line break between them. NSF's personal statement template says other headings are allowed and sections may appear in any order. River adds a short opening without a heading and a Future Goals section, so your plans are easy to find.

Should I write about my personal background?

Yes, when it connects to your research or your goals. It is in the statement's official name, and River never tells you to remove it. Keep it specific: a moment that pointed you to a question, a challenge you persisted through, or why you started mentoring. Then show what you did next, because reviewers look for evidence.

Why write "I" instead of "we"?

Because reviewers rate your ability to "Work independently" and "Take initiative," and they can only credit what they can see you did. Keep "we" for the team's goal and use "I" for your part: the samples you ran, the code you wrote, the analysis you chose. Where your CV does not say which part was yours, River leaves a slot.

Can I use AI to write my GRFP personal statement?

NSF's GRFP solicitation has no rule about using AI, but it requires you to certify that both statements are "their own original work." Its notice on generative AI says proposers stay responsible for the accuracy and authenticity of anything AI helped produce. River drafts only from your experiences and comments on every line it wrote, so you know exactly what to rewrite.

What if I don't have much research experience?

Use what you have. A class project, an independent study, a job where you collected or analyzed data, or a summer program all count once you show your role and what you learned. Tap "Senior" or "Graduated, not in grad school" so the draft is framed for your stage. River never adds experiences, awards or publications you did not list.

Is my CV kept private?

Your CV, notes and draft stay in your own River workspace, and you can edit or delete them at any time. Under River's privacy policy, nothing you upload is used to train AI models, and River's agreements with its AI providers forbid them from training on it as well. Share the draft only with the people you choose.

Start from your CV, not a blank page

Drop your CV or paste your experiences. Every line River adds is marked, so the statement stays in your voice.