Atrisa (formerly Refortifai)

Atrisa (formerly Refortifai) YC Application

Spring 2026Active

Atrisa (formerly Refortifai) went through Y Combinator in the Spring 2026 batch as a B2B company. Below: what the company does, who founded it, and its application to YC, reconstructed question by question in the real YC form.

YC batch
Spring 2026
Industry
B2BEngineering, Product and Design
Team size
3
Status
Active
Launched
2026

Founders

  • Rithik Jain
    Rithik JainFounder
  • Atman Kar
    Atman KarFounder
  • Sayan Mitra
    Sayan MitraCo-Founder

What Atrisa (formerly Refortifai) does

AI Agents to build, debug and automate analog circuit design

Atrisa (formerly Refortifai)'s YC application, reconstructed

Y Combinator application

Atrisa (formerly Refortifai), Spring 2026 batch. The real form questions, answered from public data.

  1. Founders2
  2. Company7
  3. Progress7
  4. Idea4
  5. Equity3
  6. Curious2
  7. Batch Preference1

Company

Company name

Atrisa (formerly Refortifai)

Describe what your company does in 50 characters or less.

AI Agents for Analog Circuit Design

What is your company going to make? Please describe your product and what it does or will do.

We are building AI agents that automate analog circuit design tasks like building and debugging. Our product helps engineers accelerate workflows that are traditionally manual and slow, using reinforcement learning tailored for complex analog circuits.

Where do you live now, and where would the company be based after YC?

We live in San Francisco, CA, and the company will be based in San Francisco after YC.

Explain your decision regarding location.

San Francisco is the hub for both AI and semiconductor startups, putting us close to potential customers and partners.

21 more answers in the full application

Founders, Progress, Idea, Equity, Curious, Batch Preference are in the full version. Create a free account to open it in YC Insights, next to every other YC batch.

Frequently Asked Questions

Is this the real Atrisa (formerly Refortifai) YC application?

No. Y Combinator keeps submitted applications private. This is a reconstruction: the real YC form questions, answered from Atrisa (formerly Refortifai)'s public data (launch notes, founder backgrounds, product description). It shows how a company like Atrisa (formerly Refortifai) would present itself to YC, not the text they submitted.

What YC batch was Atrisa (formerly Refortifai) in?

Atrisa (formerly Refortifai) was part of the Y Combinator Spring 2026 batch.

Who founded Atrisa (formerly Refortifai)?

Atrisa (formerly Refortifai) was founded by Rithik Jain, Atman Kar, Sayan Mitra.

What does Atrisa (formerly Refortifai) do?

AI Agents for Analog Circuit Design

How do I read the full reconstructed application?

Create a free Round Funded account. The full 26-answer version of Atrisa (formerly Refortifai)'s application, and every other YC batch, is in YC Insights.

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