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Ello

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Ello

Building the world's first 1:1 AI teacher.

ello.com
HQ: San Francisco, CA, USA
11-50
Education

Company research

Public company, workplace, funding, and market signals

Updated Aug 16, 2026

Overview

Ello is an education company building an AI reading coach for children, positioned as a 1:1 teacher that helps kids learn to read through speech recognition and generative AI.

Primary product

Ello AI reading coach (web/mobile reading tutor for children)

Founded

2021

Headquarters

San Francisco, California, United States

Team size

51-200

Industry

Education

Sub-industry

AI literacy / edtech / children’s reading support

Offices

Nairobi, Kenya

Business model

subscription
freemium

Funding

Stage

Series A

Total raised

$15.6M

Latest round

Series A · Sep 2023

Latest amount

$15M

Series A

Sep 2023 · Goodwater Capital

$15M

Grant

May 2023 · AWS Impact Accelerator

$300K

Seed Round

Aug 2020

$125K

People & investors

Leadership

Elizabeth Adams

Co-Founder, Chief Experience Officer (CXO)

Catalin Moreno Voss

Co-Founder & CTO

Andrew Li

Head of Product

Peter Poer

VP People

Jackie Neumann

Head of Talent & Culture

Brent Johnson

Head of Learning Design & Creative Technology

Andrew Wooler

Team Lead, Applied Research

Peter M.

Head of AI Engineering

Kelvin Wachira

Customer Support Lead, Kenya

Founders

Tom Sayer

Co-founder & CEO

Investors

AWS Impact Accelerator
Common Sense Growth
Goodwater Capital
Homebrew
Human Capital
K9 Ventures
Khosla Ventures
Project A
Project A Ventures
Ravensburger
Reach Capital
Reed Hastings
UpHonest Capital
Visible Ventures
WndrCo
Y Combinator

Work & culture

Public messaging emphasizes mission-driven work, collaboration, learner-centered product development, and building AI-powered tools with an emphasis on impact and safety for children.

Compensation

No public compensation bands or benefits details were found in primary sources; some open roles were posted in San Francisco and Nairobi.

Product & market

Pricing

Free trial plus paid subscription; Ello also references personalized features and other low-priced services in earlier coverage.

Differentiators

  • —AI-powered 1:1 reading coach
  • —Uses proprietary speech recognition plus generative AI
  • —Focus on children’s reading and literacy rather than general tutoring
  • —Strong privacy/safety positioning for kids
  • —Mission-driven, evidence-based learning support

Technology

React
Flutter
Kotlin
Swift
Python
Java
TypeScript
Firebase
MongoDB
Stripe
SendGrid
Twilio
Google Analytics
Mixpanel
Amplitude
Jira
Intercom
Terraform
Kubernetes
PyTorch

Customers

Parents of young children
Children in kindergarten to 3rd grade
Educators
Schools / families seeking reading support

Competitors

Khan Academy Kids
Duolingo ABC
Reading Eggs
ABCmouse
Hey, Joe
Amira Learning

Scale & contact

Estimated revenue

~$5M-$10M annual revenue (extracted estimate: ~$5.5M)

Latest news

Ello built an AI tutor for children

Pivot · Jul 2026

A feature explaining how Ello uses specialized speech recognition, reading-level estimation, pedagogical decision-making, and instant response loops to teach children.

What if every child had access to a personal AI tutor?

Edtech Insiders · Jul 2026

Interview-style post about Ello 2.0, Tom Sayer, and the company’s push toward free access in Kenya and eventually across Africa.

Ello 2.0 launch: early access and free access in emerging markets

Ello · Jul 2026

Official company announcement introducing Ello 2.0, a multi-subject AI tutor for ages 4–9, with a free tier and free access in emerging markets starting in Africa.

Teaching a child in <1000 ms: the architecture behind a real-time tutor

Ello engineering blog · Jul 2026

Ello explains its custom low-latency tutoring stack for children ages 4–9, including streaming actions, planner/converser architecture, and child-safety gating.

Ello and Atlas Artists Unveil AI-Driven Messaging Platform

EIN Presswire · Jul 2025

LinkedIn post surfaced in search results, but this appears to be a different Ello-related initiative and is not central to ello.com’s core reading product.

AboutAbout/TeamApple App StoreBlogCareersContact / accessibilityGitHub organizationJobsLinkedInOfficial homepage
SourcesEllo homeEllo LinkedIn company pageEllo Series A press releaseTechCrunch funding coverage

Jobs and careers at Ello

6 jobs at Ello

Head of Customer Experience

On-site
Customer Experience
San Francisco, CA; San Francisco, California, USA
1w ago
On-site
Full-time
Apply

Product Lead, Monetization

On-site
Growth
San Francisco, CA; San Francisco, California, USA
1w ago
On-site
Full-time
Apply

Lead Graphic Designer

On-site
Design
San Francisco, CA; San Francisco, California, USA
2w ago
On-site
Full-time
Apply

Creative Growth Lead

On-site
Growth
San Francisco, CA
1mo ago
On-site
Full-time
Apply

AI/ML Engineer

On-site
Engineering
San Francisco, CA
3mo ago
On-site
Full-time
Apply

Generalist Opening

On-site
Engineering
San Francisco, CA
4y ago
On-site
Full-time
Apply

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