Ello
San Francisco, US · 11 known investors
Ello builds an AI-powered 1:1 reading tutor for children using a custom low-latency AI stack for real-time teaching decisions. The platform combines child-specific speech perception, hierarchical teaching agents, and expressive speech generation for personalized reading instruction.
Founders & leadership



Investors · 11
Also in the syndicate · 2
Funding
SEC filings, press & company announcements$15M disclosed across 1 round · 2023
- $15MSeries ASep 2023 · 5 sources
Goodwater Capital (lead), Project A (lead), Common Sense Growth, Homebrew, Khosla Ventures, Ravensburger, Reach Capital, Visible Ventures, WndrCo, Y Combinator
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Founder mafia
3 people who came through Ello went on to found or lead other companies.
Competitors · 2
by search overlapCompanies competing with Ello for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Ello do?
- Ello builds an AI-powered 1:1 reading tutor for children using a custom low-latency AI stack for real-time teaching decisions. The platform combines child-specific speech perception, hierarchical teaching agents, and expressive speech generation for personalized reading instruction.
- Who founded Ello?
- Ello was founded by Tom Sayer, Dr. Elizabeth Adams, Catalin Voss, Tom S.
- Who are Ello's investors?
- Ello's investors include K9 Ventures, Goodwater Capital, Homebrew, Khosla Ventures, Project A Ventures, Reach Capital, Visible Ventures, WndrCo and 1 more.
- How much funding has Ello raised?
- Ello has disclosed $15M raised across 1 round.
- Where is Ello headquartered?
- Ello is headquartered in San Francisco, US.


