# About Lemma: The Skills Passport for Tech

> Lemma builds the Skills Passport: one record of what a tech professional can do, with proof behind each skill. Why we build it and how to reach us.

Source: https://getlemma.io/about

Lemma is a skills passport for people who work in tech: one record of what you can do, with the proof behind each skill. Your skills are built in many places; the record moves with you.

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## Make evidence of capability easier to carry and understand.

A person should not have to start from an empty profile every time they change course, role or platform. Their record should preserve context without exposing more than they choose to share.

That record is the [Skills Passport](https://getlemma.io/product/passport). The [methodology](https://getlemma.io/methodology) explains how evidence is classified, connected to skills and evaluated.

![Painting of a waterfall pouring into a clear pool among mossy rocks and ferns](https://cdn.sanity.io/images/islu4peo/production/76223a89ee5f00ffa62886801dd86be45a0ca233-1680x1120.jpg?w=1080&fm=webp&q=68&fit=max)

Share with Northwind · hiring

Expires 30 Oct

Alex Chen

Choose what this viewer receives

-   React

    SCI 84 · 21 evidence entries

-   TypeScript

    SCI 64 · 15 evidence entries

-   AI Application Development

    SCI 55 · 9 evidence entries

Northwind sees 2 of 3 skills. Everything else stays private.

## What we promise about your record.

How a score is worked out is set in the [methodology](https://getlemma.io/methodology). These are the commitments around it.

![Painting of lavender fields stretching towards distant mountains](https://cdn.sanity.io/images/islu4peo/production/7e50477b06c4c311359fe477e92c3f2b3d38e848-1680x945.jpg?w=1080&fm=webp&q=68&fit=max)

Alex Chen · Skills Passport

Signature valid

Signed11 Oct · Ed25519

RulesetSCI v3

Shared2 of 3 skills

PlanFree · same scoring as paid

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### Your record is yours

You can export everything Lemma holds about you, and deleting your account deletes your record with it.

### Private until you share

You decide which skills each viewer receives. Anything you have not shared stays private to you.

### Checkable without us

A shared Passport is signed, so anyone can confirm it is genuine and unchanged without an account or a call to us.

### Learning counts

Sessions you learn in and sessions you teach both count, not only the tests you pass.

### No pay-to-score

Every plan scores evidence the same way and can reach 100. Paying buys volume and sharing options, never points.

### Honest about limits

We say what a record can and cannot show, and we change the method in the open, with a new version number.

## Who builds Lemma

Roman Kochetov

Founder

Lemma exists because the skills people build across courses, projects and work rarely leave behind a record that someone else can check.

## Get in touch

Questions about Lemma, partnerships, hiring or press all go to the same inbox.

![Painting of a wide river winding through green woodland in golden light](https://cdn.sanity.io/images/islu4peo/production/99513c2c457dabadaeac637d82f799da033cd99e-1680x1120.jpg?w=1080&fm=webp&q=68&fit=max)

### Email

Write to us at [hello@getlemma.io](mailto:hello@getlemma.io).

### Early access

Lemma is opening gradually. Leave your email and we will invite you as places open.

Reporting a vulnerability? Write to [security@getlemma.io](mailto:security@getlemma.io) and see our [security practices](https://getlemma.io/security). For questions about your data, see the [privacy policy](https://getlemma.io/legal/privacy).