Who founded tday.com?

tday.com was founded by Cyrus Kelly, David McDonough in 2026.

Who are tday.com's investors?

tday.com's investors include Y Combinator.

Where is tday.com headquartered?

tday.com is headquartered in San Francisco, US.

tday.com

YC X26

San Francisco, US · Founded 2026 · 2 employees · 1 known investors

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tday automatically records product demos and generates launch content including videos and graphics when software releases ship, capturing the live product in action and re-recording on every update. The platform serves software development teams who need polished demo videos and launch materials without manual video production.

Also known as markup Inc. · markup.one · markup.one, tday · tday

Developer Tools Enterprise Software Marketing TechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

tday.com was founded in 2026 by Cyrus Kelly and David McDonough.

Cyrus KellyCo-Founder & CEOCyrus Kelly studied computer science at the University of Adelaide and led student entrepreneurship initiatives there before building a student club platform with banking features. He is now co-founder and CEO of tday.

David McDonough Co-Founder & COODavid McDonough is building tday, an AI system that generates marketing materials from code repositories and pull requests. He previously served as Technical Lead at VAL.AI, where he developed an energy efficiency scoring model deployed across Australian banking and real estate platforms, and as Lead Engineer at MEQ Solutions, where he developed machine learning models for predicting meat quality from spectroscopy data. He holds a B.Eng. in Computer Systems with Honours.

Shyamsundar ShresthaCTO2026–2026

Investors · 1

Y Combinator✓ confirmed by tday.comSan Francisco · $500K

How we know: the company's own site · the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Related companies · 1

Seeking AlphaSeeking Alpha is a financial research platform offering stock analysis, market news, investment ideas, and quantitative ratings across asset classes, drawing on a large community of contributing analysts. It serves individual and professional investors seeking research and data-driven insight on stocks and markets.

Companies working in the same space as tday.com.

Legal entities · 1

corporate structure

markup Inc.

In the news

tday.com — your code ships, we make it famousycombinator.com · Jun 2026

Frequently asked questions

What does tday.com do?: tday automatically records product demos and generates launch content including videos and graphics when software releases ship, capturing the live product in action and re-recording on every update. The platform serves software development teams who need polished demo videos and launch materials without manual video production.
Who founded tday.com?: tday.com was founded by Cyrus Kelly, David McDonough in 2026.
Who are tday.com's investors?: tday.com's investors include Y Combinator.
Where is tday.com headquartered?: tday.com is headquartered in San Francisco, US.