Juno

Active · AI Health Assistant for Chronic Illness

YC X26

Website YC profile

Why it ranks

How the rank works

10signal of 100 · rising 10

team of 5Team size · YC's directory+4
went through YCProgram · this site+4
hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

MiriShared: chronic illness, health, support500 Global 2023United StatesStartup →AI

Illume LabsShared: personal healthYC S26San FranciscoStartup →AI

mama healthShared: 000+ patient, chronic, healthPlug and PlayGermanyStartup →AI

PerslyShared: personal healthAntler 2025KoreaStartup →

Companies closest to Juno
Company	Category	Status	Program
MiriShared: chronic illness, health, support500 Global 2023Not statedAI	AI	Not stated	500 Global2023
Illume LabsShared: personal healthYC S26ActiveAI	AI	Active	YCS26
mama healthShared: 000+ patient, chronic, healthPlug and Play Not statedAI	AI	Not stated	Plug and Play
PerslyShared: personal healthAntler 2025Not statedAI	AI	Not stated	Antler2025

Adjacent

Other

OvumShared: health assistant, personal health, supportAntler 2025AustraliaStartup →Other

Reviving MindShared: chronic illness, living, patientYC W22San FranciscoStartup →Other

Patients Know BestShared: personal health, patientSeedcamp 2009Startup →Other

Juno College of TechnologyShared: junoYC S19TorontoStartup →Other

Digi-PrexShared: chronic, patient, consumer health and wellnessYC S19HyderabadStartup →

Companies next to Juno
Company	Category	Status	Program
OvumShared: health assistant, personal health, supportAntler 2025Not statedOther	Other	Not stated	Antler2025
Reviving MindShared: chronic illness, living, patientYC W22ActiveOther	Other	Active	YCW22
Patients Know BestShared: personal health, patientSeedcamp 2009Not statedOther	Other	Not stated	Seedcamp2009
Juno College of TechnologyShared: junoYC S19ActiveOther	Other	Active	YCS19
Digi-PrexShared: chronic, patient, consumer health and wellnessYC S19ActiveOther	Other	Active	YCS19

Also from X26 in AI

All of X26

AbInitio BioThe Intelligence layer for Drug ManufacturingYC X26BostonStartup →AI

Advanced Metal ResearchMachine intelligence for American WeldingYC X26Los AngelesStartup →AI

AgentPhonePhone Numbers for AI AgentsYC X26San FranciscoStartup →AI

AGI Deploy CoDiffusing AI into critical industriesYC X26San FranciscoStartup →AI

AkkariAutonomous Customer OperationsYC X26San FranciscoStartup →AI

AlchemizeBuilding AI Native Customs BrokeragesYC X26San FranciscoStartup →

Company	Category	Status
AbInitio BioThe Intelligence layer for Drug Manufacturingteam of 2ActiveAI	AI	Active
Advanced Metal ResearchMachine intelligence for American Weldingteam of 3ActiveAI	AI	Active
AgentPhonePhone Numbers for AI AgentshiringActiveAI	AI	Active
AGI Deploy CoDiffusing AI into critical industriesteam of 2ActiveAI	AI	Active
AkkariAutonomous Customer Operationsteam of 5ActiveAI	AI	Active
AlchemizeBuilding AI Native Customs Brokeragesteam of 2ActiveAI	AI	Active

Founders

Isaac TolleyFounder/CEO
Marshall GouldFounder/CTO

About Juno

Juno is an AI personal health assistant for the 1B+ people living with chronic illness. Launched in October, Juno now supports 300,000+ patients globally.

YC batch: X26 · Spring 2026
Status, per YC: Active
Category: AI
Team size: 5
Location: London, England, United Kingdom
Founded: 2025
Checked: 6h ago

Changes seen

Team sizeOct 15, 2026

Team went from 2 to 5 people.

Source ↗

Juno in X26: 194 companies, 84% AI

Juno: questions

Which YC batch was Juno in?

Juno was in Y Combinator's Spring 2026 batch (X26).

Is Juno still active?

Y Combinator lists Juno as active.

Who founded Juno?

Juno's founders, as listed on its YC page: Isaac Tolley (Founder/CEO), Marshall Gould (Founder/CTO).

Where is Juno based?

Juno lists London, England, United Kingdom as its location on YC's directory.