tday.com

AI that turns your product into on-brand marketing content

Y CombinatorSpring 2026ActiveB2BMarketingGenerative AIB2BDesign ToolsMarketing

What they do

Problem

Software teams spend significant time and money creating and distributing on-brand marketing assets for product updates and launches.

Solution

An AI platform that connects to a company’s product and git repo to automatically generate, publish, and measure on-brand marketing creative like videos, social graphics, and ads.

Who it's for

Software companies and product marketing teams that need to quickly turn product changes into marketing content across social and ad channels.

Founders

Cyrus Kelly

Co-Founder & CEO

Co-Founder and CEO of tday. 20 y/o. Began taking university courses at 13 and was admitted to University of Adelaide's most selective computer science degree at 15, while still in high school, completing it at 18. Mentored 300+ student founders as Adelaide University's Chief Student Entrepreneur. Before tday, built communities.one, a student club platform with integrated banking which the University of Adelaide invested in. Dropped out of an MBA to build tday full-time in SF.

David McDonough

Co-Founder & COO

Building tday, an AI pipeline that turns codebases & PRs into on-brand marketing visuals. Previously Technical Lead at VAL.AI, where I built Australia's first portfolio-scale residential Energy Efficiency Score, lead team to deploy in market with Australia's largest bank & real estate listing platforms. As Lead Engineer at MEQ Solutions, I built novel ML models that predict lamb and beef eating quality from intramuscular fluorescence-spectroscopy signatures. B. Eng. (Computer Syst.) (Hons)

LinkedIn · X

Shyamsundar Shrestha

Co-Founder & CTO

Co-founder & CTO of tday.com. BSc in Mathematical and Computer Sciences (AI major), University of Adelaide. former VP of one of Nepal's biggest STEM nonprofits (4000+ members). Bright Spark Award winner at the Adelaide eChallenge competition with RadioAI, an early AI-in-radio system for mining. Won multiple hackathon. Fundraised for UNHCR in Australia. Background in astronomy, physics and quantum computing.