# Terse

[Terse on Hacklab](https://hacklab.so/org/useterse)

Startup · 2 people on Hacklab

## Links

- [Website](https://www.useterse.ai/)
- [Y Combinator](https://www.ycombinator.com/companies/useterse)
- [LinkedIn](https://www.linkedin.com/company/terse-inc)
- [X](https://x.com/IncTerse)
- [GitHub](https://github.com/TerseAI/durable-actors)

## About

<!-- hacklab:yc-profile -->

## YC company profile

Durable state for AI agents

We build infrastructure to power agentic systems such as software factories, multiplayer agent frameworks and agent coordination.

- **YC batch:** Fall 2026
- **Founded:** 2025
- **Team size:** 2
- **Location:** New York City, NY
- **Country:** US
- **Status:** Active
- **Industry:** B2B
- **Stage:** Early
- **Tags:** API, Infrastructure, AI
- **YC partner:** Aaron Epstein

## Founders

### Thomas Elias Karatzas — Founder/CEO

Founder at Terse AI. Previously Staff Engineer at Apple for 7 years, working on Siri and Apple Intelligence. Earlier founded Know Your VC (acquired by RateMyInvestor). Software Engineering degree from McGill University.

[LinkedIn](https://www.linkedin.com/in/thomas-karatzas-a3015a94/) · [X](https://x.com/karatzas_thomas)

### Olivier Simard-Morissette — Founder/CTO

Founder at Terse AI (YC F26). Previously Principal Software Engineer at Pigeon (YC W23) and Senior Software Engineer at Squarespace and The New York Times.

[LinkedIn](https://www.linkedin.com/in/olism/) · [X](https://x.com/oliviersm199)

[Source: Y Combinator](https://www.ycombinator.com/companies/useterse) · Retrieved 2026-11-02. Company information is self-reported on YC.

## Current staff

- [Olivier Simard\-Morissette](https://hacklab.so/olivier-simard-morissette) — Founder/CTO (Present)
- [Thomas Elias Karatzas](https://hacklab.so/thomas-elias-karatzas) — Founder/CEO (Present)