Ello was founded by Elizabeth Adams, Tom Sayer, Catalin Voss, Tom S, Tom S., Catalin Moreno Voss in 2020.

Who are Ello's investors?

Ello's investors include Elysium Ventures, Felicis Ventures, Homebrew, K9 Ventures, Project A Ventures, Project Ventures, Visible Ventures, Y Combinator and 10 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.

Ello

YC W20

San Francisco, US · Founded 2020 · 45 employees · Hiring · 20 known investors

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Ello builds an AI-powered 1:1 reading tutor for children, using custom low-latency AI models optimized for child-specific speech recognition and personalized teaching. The product delivers real-time reading instruction adapted to individual children's learning needs.

Also known as Trustle, Inc. · Trustle

AI & Machine Learning EdTech Artificial Intelligence EducationUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W20)

Elizabeth Adams Co-Founder, Chief Experience Officer (CXO)Elizabeth Adams is a clinical psychologist with expertise in child development and behavior, bringing over 15 years of experience working with families in educational and clinical settings. She co-founded Ello, an AI-powered reading coaching platform for children.

Tom Sayer Founder and CEOTom Sayer held a role in impact and adoption programs at Google for Education and has worked as an intelligence officer, product manager, and EdTech founder. He studied mathematics and psychology at Cambridge University and earned an MBA and MA in Education from Stanford.

Catalin Voss Co-Founder & CTOCatalin Voss is a machine learning founder who was a PhD candidate in AI at Stanford University focused on social good and digital health applications. He previously co-founded and exited two ML startups, DukaConnect and Sension.

Tom SFounder

Tom S.Founder and CEO

Catalin Moreno Voss Co-Founder & CTO

Elizabeth Adams Co-Founder, Chief Experience Officer (CXO)

Twinx ClutarioPeople Ops Admin

Investors · 20

Elysium Ventureslisted by Elysium VenturesSunnyvale

How we know: Elysium Ventures's portfolio page · Not right? Tell us

Felicis Ventureslisted by Felicis VenturesSan Francisco · $500K – $15M

How we know: Felicis Ventures's portfolio page · Not right? Tell us

Homebrewlisted by HomebrewBurlingame · $100K – $500K

How we know: funding news · edtechchronicle.com · the VCSheet dataset · Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

K9 Ventureslisted by K9 VenturesPalo Alto · $250K – $750K

How we know: K9 Ventures's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Project A Ventureslisted by Project A VenturesBerlin · $1.1M – $6.6M

How we know: Project A Ventures's portfolio page · edtechchronicle.com · the VCSheet dataset · Not right? Tell us

Project Ventureslisted by Project VenturesBerlin

How we know: Project Ventures's portfolio page · Y Combinator's founder network · Not right? Tell us

Visible Ventureslisted by Visible VenturesHingham · $1M

How we know: Visible Ventures's portfolio page · edtechchronicle.com · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · edtechchronicle.com · open dataset · 5k.vc investor directory · Not right? Tell us

Elysium Venture CapitalreportedPalo Alto

How we know: Y Combinator's founder network · Not right? Tell us

Goodwater CapitalreportedBurlingame · $5M – $50M

How we know: funding news · edtechchronicle.com · Y Combinator's founder network · Not right? Tell us

HSBCreportedLondon

How we know: press coverage · Not right? Tell us

Human CapitalreportedSan Francisco · $250K – $200M

How we know: Y Combinator's founder network · Not right? Tell us

Khosla VenturesreportedMenlo Park · $100K – $20M

How we know: edtechchronicle.com · Y Combinator's founder network · Not right? Tell us

Ravensburger AGreported

How we know: Y Combinator's founder network · Not right? Tell us

Reach CapitalreportedSan Francisco · $100K – $12M

How we know: edtechchronicle.com · Not right? Tell us

Sequoia CapitalreportedMenlo Park · $100K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

UpHonest CapitalreportedSilicon Valley · $50K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

WndrCoreportedRedwood City · $100K – $10M

How we know: edtechchronicle.com · Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 2

Common Sense GrowthRavensburger

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.

Related companies · 10

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Companies working in the same space as Ello.

Legal entities · 1

corporate structure

Trustle, Inc.

In the news

Ello Raises $15 Million in Series Athesaasnews.com · Sep 2023

Ello Raises USD15M in Series A Fundingfinsmes.com · Sep 2023

Frequently asked questions

What does Ello do?: Ello builds an AI-powered 1:1 reading tutor for children, using custom low-latency AI models optimized for child-specific speech recognition and personalized teaching. The product delivers real-time reading instruction adapted to individual children's learning needs.
Who founded Ello?: Ello was founded by Elizabeth Adams, Tom Sayer, Catalin Voss, Tom S, Tom S., Catalin Moreno Voss in 2020.
Who are Ello's investors?: Ello's investors include Elysium Ventures, Felicis Ventures, Homebrew, K9 Ventures, Project A Ventures, Project Ventures, Visible Ventures, Y Combinator and 10 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.