Roark YC Application

Winter 2025Active

Roark went through Y Combinator in the Winter 2025 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: Winter 2025
Industry: B2BAnalytics
Team size: 3
Status: Active
Launched: 2025

Founders

James ZammitFounder & CEO
Daniel GauciFounder

What Roark does

Roark helps teams test, monitor, and improve their voice agents. Voice AI is exploding, but reliability is still the #1 challenge. Teams spend hours manually testing agents and still miss failures. In the last 6 months, Roark has processed over 10M minutes of calls, powering monitoring and simulation for teams across the Voice AI ecosystem (including YC companies). We close that gap by combining: 📊 Monitoring & Evaluation - 40+ built-in metrics (latency, instruction-follow, sentiment, etc.), custom dashboards, alerts, and the ability to define your own. Up to 15 speakers with automatic speaker identification. 🎭 Simulations & Personas - end-to-end phone/WebSocket simulations for inbound and outbound agents, with configurable personas (accents, languages, speech & behavior profiles). Define tests as conversations with a graph-based approach, so you can easily branch into edge cases and variants. 🔁 Full lifecycle loop - failed calls automatically become repeatable tests, so every failure makes your agent stronger. Roark is the missing QA layer for Voice AI - helping teams ship agents they can trust.

Roark's YC application, reconstructed

Y Combinator application

Roark, Winter 2025 batch. The real form questions, answered from public data.

Founders2
Company7
Progress7
Idea4
Equity3
Curious2
Batch Preference1

Company

Company name

Roark

Describe what your company does in 50 characters or less.

Test, monitor, and improve your voice agents

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

We built Roark to help teams test, monitor, and improve their voice agents. Our platform automatically evaluates calls using over 40 metrics like latency and sentiment, simulates conversations with configurable personas, and turns failures into repeatable tests. This closes the gap in voice AI quality assurance, letting teams ship agents they can trust without hours of manual testing.

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

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

Explain your decision regarding location.

San Francisco is where we live and where most Voice AI companies are, making it the best place to build and engage with 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.

See full application

Frequently Asked Questions

Is this the real Roark YC application?

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