3x founder

Cyrus Kelly

Co-Founder & CEO @ tday.com (YC P26)

Co-founder

tday.com· Spring 2026 🇺🇸 San Francisco, California, United States

in LinkedIn

2026Co-founder· tday.com (YC P26)

Founder · since 2023

Company

tday.com (YC P26)

Role

Co-Founder & CEO

current

Stage

—

no public source

Raised

—

no public source

Based

Adelaide, SA

current

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

tday.com

AI that turns your product into on-brand marketing content

Spring 2026

Experience

Career

tday.com (YC P26)
Co-founder
Co-Founder & CEO · Adelaide, SA · 2026 – Present
2026
Adelaide University
Chief Student Entrepreneur · 2026 – Present
2026
communities.one
Founder
Founder & CEO · Adelaide, SA · 2023 – 2026
2023
University of Adelaide
Chief Student Entrepreneur · 2025
2025
Mr. Quant
Founder
Founder & CEO · 2025
2025
Adelaide University Karaoke Club
President · 2023 – 2025
2023
Adelaide University Karaoke Club
Treasurer · Adelaide, South Australia, Australia · 2022 – 2023
2022
Computer Science Club University of Adelaide
Secretary · Adelaide, South Australia, Australia · 2023
2023
Computer Science Club University of Adelaide
Equity Officer · Australia · 2022 – 2023
2022
Quantum Computing Club
Vice President & Chief Operating Officer · Adelaide, South Australia, Australia · 2023
2023
Defence Science and Technology Group (DSTG)
Work Placement · Australia · 2021
2021

Bio

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.