DigitalEnglishteacher
A corporate AI teacher: speaks aloud, hears mistakes, remembers progress. HR gets a department-level report instead of chasing each employee.
CorpEdu was rolling out corporate English training to 1,200 employees. External courses delivered 20% engagement and cost too much. We built an AI teacher: it talks, listens, remembers progress. HR sees department progress, not each person individually.
Scale
1,200 employees across 14 cities. Different levels, different schedules, different goals.
The pain
Classic courses: 80% drop off after 3 weeks. Not enough teachers to go around.
Goal
A personal trainer available 24/7. The metric: engagement at 3 months.
Corporate English training
- 20% engagement — 80% drop off after 3 weeks
- Schedule tied to a specific teacher
- HR tracks each person manually
- Cost — external budget for 1,200 people
- Engagement grew 3× in a quarter
- Voice dialogue available 24/7 in any city
- HR sees department progress — without surveilling individuals
- 3× cheaper than external courses at the same coverage
How we built it
Voice dialogue
Whisper + ElevenLabs — a real conversation. The agent corrects pronunciation and grammar.
Adaptive plan
The model remembers mistakes and builds drills specifically around them.
HR panel
Department reports: engagement, progress, pace. No surveillance on individuals.
Launch
Pilot on 200 employees, then full company rollout in 6 weeks.
Talking to the AI teacher
The employee speaks aloud. The agent listens, corrects, encourages. Like a live tutor — just in your pocket.
What came out
“Engagement in learning grew 3×. People study because they want to — not because HR pushes them.”
David Park
Mariia Golikova
Igor Golikov
Vitaly Kust
James Park
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