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People leave. Knowledge fades.Agents only get smarter.Your team changes. Your system keeps getting smarter.

$ qjc-os --team --statusCONNECTED
  • leadCEO
  • productProduct
  • engEngineering
  • product.agentProduct
  • dev.agentEngineering
  • design.agentDesign
  • growth.agentGrowth
  • research.agentIntelligence
  • ops.agentOperations
  • finance.agentFinance
  • legal.agentLegal
  • cs.agentCustomer

12 departments running right now

Trust, proven by numbers.

470h/yr
Hours saved per customer

Average across deployed customers · 2026 QJC Report

Hours saved per customer — 470h/yr
95%
Client retention rate

Maintenance renewal across deployed institutions · 2025-2026

Client retention rate — 95%
23
Institutions deployed

Samsung Electronics · LG U+ · Ministry of Education etc.

Institutions deployed — 23

Trusted by Enterprise & Public Institutions

삼성전자
LG U+
교육부
한국예술종합학교
헥토이노베이션
삼육보건대학교
Manus
SPSCOS
Founder talk · 2026

$100K/mo on tokens. Team leads will disappear.

AI-native organization transformation with Claude Code — see harness engineering in practice.

Compounding AI

A system that gets smarter every day

People move on, memory fades. Agents accumulate as they work.

Day 1

Map workflows + first automation

Configure agents with company data. Start automating repetitive work.

Day 90

Organizational knowledge absorbed

Agents now know your company's way. 60% automation reached.

Day 365

The company runs even when you're away.

Staff change. The knowledge doesn't. You're free to focus on what only you can do.

Case Studies

Proven Results

See real adoption outcomes by industry

Enterprise (HR & Talent Development)

Samsung Electronics Group Education Team

Challenge

Dozens of internal training materials to create and update weekly — educators were acting as writers, instructors, and administrators simultaneously

Solution

AI agent team auto-generates role-specific course drafts, quizzes, and evaluation rubrics — educators only review and approve

80%Content Creation Time Saved

80% reduction in content creation time; one coordinator now manages 3x the volume

Our team went from content creators to curators — and quality actually improved.L&D Team Lead
Enterprise (IT Operations)

Seoul-area enterprise IT operations team

Challenge

Weekly reports taking 4 hours per team — Friday overtime became routine

Solution

AI agents auto-collect data, analyze, and draft reports — team lead only reviews

93%Time Saved

Report time: 4 hours → 15 minutes

Friday overtime is gone. Team morale is completely different now.IT Operations Team Lead K (12 years tenure)
B2B SaaS Startup

Funded B2B SaaS startup (post Series A)

Challenge

Wanted to automate 5-person repetitive tasks but lacked dev resources

Solution

2-week sprint: 3 core task automations + team training

340%ROI

160 hours/month saved, 340% ROI vs labor cost

Results in 2 weeks. Then the team started asking: 'Can we automate this too?'Co-founder Y

0+

Systems Deployed

0%

Time Saved

0 Weeks

To First Results

0%+

Client Renewal Rate

Change Makers

CHANGEMAKERS

You become the one who instructs AI.

AI is not a tool — it is a colleague. The era of relying on automation is over. We design learning systems and build organizations that get smarter every day.

  • Design

    We design agents

    Move human work into code and prompts, building know-how that compounds every day.

  • Compound

    We compound know-how

    Company assets that never leave when someone quits. Every decision is recorded forever.

  • Lead

    We lead change

    An organization where output grows even as teams shrink. The new standard.

Built with Claude Code · Anthropic

Why QJC
Est. 2024
Why QJC

How a Small Team Does the Work of Ten

I watched a single automation system replace three people's work at an enterprise client. But when the project lead quit, that million-dollar system was abandoned within a year.

"What if we could build systems that stay — even when people leave?"

So I built one. By encoding workflows into the system itself, AI keeps performing at the same quality even when the team changes. The result? A compact expert team running marketing, development, education, and customer support simultaneously.

Cover of CEO Sangrok Jung's profile PDF
12 pages · PDF

CEO Sangrok Jung — Profile

Self-Proof

QJC is run on this exact system

Marketing, dev, education, CS — a lean team handles all of it with Claude Code.

0
AI agents
0+
Automation skills
0+
Governance rules

qjc-os catalog (live in production)

cs-responder

고객 문의 자동 분류 및 초안 생성

/cs-responder
meeting-prep

미팅 브리핑 노트 자동 작성

/meeting-prep
web-designer

랜딩페이지 디자인 워크플로우

/web-designer
code-reviewer

2단계 코드 품질·보안 리뷰

/code-reviewer
architect

C4/ADR 아키텍처 분석

/architect
data-analyst

KPI 데이터 분석 및 인사이트

/data-analyst
lead-scorer

BANT+ 리드 스코어링 자동화

/lead-scorer
quotation

견적서 자동 생성 및 CRM 연동

/quotation
feedback-analyst

고객 피드백 패턴 분석

/feedback-analyst

Actual command sequences QJC runs every day.

Claude Code-powered ops system — a 24/7 digital twin of your company.

Why Different

A learning system, not a one-time deliverable

AI Native systems turn time into an asset.

Traditional vs Compounding AI

On turnover

Knowledge evaporates
Knowledge persists in the system

Over time

Memory fades
Learning accelerates

Scale

1:1 per person
1 team = 30 people output

Data sovereignty

Tied to external SaaS
Owned by your company
Asset Replacement

One new hire vs. one agent team — we did the math

Add insurance, comms cost, turnover risk — the answer is clear.

New hire
$5,000+/mo

  • Salary ~$3,000
  • Benefits ~$500
  • Comms cost ~$800 (meetings, onboarding)
  • Turnover risk: ∞
  • ~40 hrs/week
Agent team
$400+/mo

  • Claude Pro + tooling ~$400
  • Benefits: $0
  • Comms cost: $0 (instant response)
  • Turnover risk: 0
  • 24/7

An agent team costs <1/10 of a hire — and an AI Native operating model only gets smarter over time.

* Actual ROI varies by industry and scale. Get a precise estimate from our free diagnostic.

FREE
30 MIN
AUTO NDA
2-DAY REPLY
Cinematic dark image showing a laptop displaying AI diagnostic dashboard, a 30-minute clock, and a system diagram

30 minutes is enough. See if AI fits your team.

30-second submission · We send a tailored report you can share with your manager within 2 days.

01 ASSESS

Top 5 automatable tasks

02 QUANTIFY

Projected time & cost savings (ROI)

04 ROADMAP

6-month execution roadmap

03 STAGE

3-stage priority plan

23 organizations diagnosed
Samsung · LG U+ · Ministry of Education · K-Arts and more
  • Zero sales calls
  • Auto NDA applied
  • 2-day response
  • Confidential

Start small. See results. Then scale.

Start with a free diagnosis. See results. Then decide next steps.

Start Here
Enterprises, businesses

Free Diagnosis

"What can AI do for our company?" One 30-minute call gives you the answer. Free diagnosis report within 2 days.

Request Free Diagnosis
Individuals, solopreneurs

Education

Learn AI tools hands-on and start transforming your own work. 470+ alumni already applying it in practice.

View Programs
System building clients

System Building

Based on diagnosis results, we build a working automation system. Connects to your existing tools — Gmail, Slack, Excel.

Book a consultation
System building clients

Maintenance

AI tools improve every month. We keep your system current with latest features, improvements, and issue resolution.

Maintenance inquiry

2026 remaining project slots: 3 left (7 of 10 in progress)

Not sure where to start? Request a free diagnosis first.

Questions Before You Decide

AI business transformation — streamlined efficiency through automation

It only takes 30 minutes. CEO, check if AI agents can be deployed in your organization.

Free diagnosis — report in 2 days — decide with zero risk

Enterprise

Ready to Deploy AI Agents in Your Organization?

One 30-minute call is all it takes. We'll show which tasks AI agents can handle in a CEO-exclusive report within 2 days.

Request CEO AI Diagnosis

30-min call · Report in 2 days · Custom quote · No obligation

Individual

Want to Learn AI Yourself?

Complete your first automation in 2 weeks. 470+ people experienced it first.

View Education Programs

Singularity Builders · VOD · Community · 470+ Alumni

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