Knowledge · Leadership & Organization

Change Management

Change Management

📂Leadership & Organization⏱2-min read📊Practical🔗9 related

What is change management?

In one line
The practice of systematically guiding people through change so that a new strategy, system, or culture takes root in an organization without resistance.
⚡ Summary in 3 lines
  • Making change stick without resistance
  • The key is people’s acceptance, not technology
  • Uses Kotter’s 8 steps and ADKAR

Once change management comes in, the project plan itself looks different. Where it once listed only the development schedule and go-live date, there is now a separate line for 'who needs to be convinced of what, and when,' with a budget and an owner attached. Change management means adding a 'people' line item to the schedule. The moment you put on paper whom you will meet and what you will say in the three months before go-live, and which channel will take the complaints that surface afterward, a vague “stronger communication” becomes work you can track.

Where Kotter’s 8 steps cover the flow of the whole organization, ADKAR looks at the five gates each individual employee passes through. They are not competitors; they work on different axes. ADKAR is useful in practice because of its diagnostic power. Two people may both look like 'resistance,' but someone who does not know why the change is happening and someone who agrees it is needed but cannot work the new screen need opposite remedies. The first is solved with messaging, while the second needs training and a hands-on manual. One more point: change management is not an announcement or a training event. An announcement is done in a day, but change management is an ongoing effort that carries through the three to six months after launch when productivity dips.

The most common misconception in the field is thinking that one kickoff town hall and a two-hour e-learning module count as change management. Add to that the habit of treating resistance as an attitude problem and issuing warnings, and the opposition does not disappear; it goes underground. People appear to use the new system, but real decision-making still runs on personal spreadsheets, so you end up with two sets of books. The same happens when data-entry work is piled on without taking a single existing task off people’s plates. Your most conscientious employees burn out first. Once trust is broken, people will not even listen to the explanation for the next change.

Training that covers this term · HR & Leadership
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💡 In plain English
Even good seeds won’t grow if the soil (people) isn’t ready — change management tills that soil.
Why it matters in practice
Most change failures come not from technology but from 'human resistance.' Change management is your adoption success rate.
Origin and sources

There are several models, but the most widely used is the 8-step model that Harvard’s John Kotter set out in his 1996 book Leading Change. It lays out the sequence from creating a sense of urgency to anchoring the change in culture.

Source · Systematized in John Kotter’s 8-step model (1996) and other frameworks · View original
An example

Let’s walk through a hypothetical case. Company A, a Korean auto parts manufacturer (380 employees, KRW 140 billion (≈ US$104,743,400) in annual revenue), set out to replace production management that had run on spreadsheets and handwritten logs for 20 years with an MES. The first attempt collapsed two months after launch with an on-site entry rate of 30%, and the production foremen, with an average tenure of 14 years, kept repeating, 'Who was this even built for?' The preparation period before the retry was five months.

  1. The head of production opened a session to hear why the first attempt failed. Only after 12 foremen poured out complaints like 'The input screen takes 12 clicks, and on paper it takes 3 seconds' was the screen design reopened.
  2. The head of Management Support put three shop-floor foremen on the MES task force as formal members and gave them a monthly allowance of KRW 200,000 (≈ US$150). That one move did a lot to break the perception that it was 'something the IT team is imposing.'
  3. They piloted it on just one line in Process 2 for six weeks. Once the time to complete the daily production report fell from 47 minutes to 11, the foremen started spreading the word to other lines on their own.
  4. A quality team manager compiled “this week’s 3 pain points” every Friday and posted the results by the following Wednesday. Of 61 items received over 8 weeks, 44 were actually implemented.
  5. Four months after the company-wide launch, the on-site entry rate rose to 94%. With the duplicate spreadsheet tracking by process gone, the three days it took to compile month-end closing data shrank to half a day.
Related terms
DX · AXDX is Digital Transformation, which fundamentally changes how work gets done through digital technology. AX is the next step: AI Transformation, embedding AI into operations and the business.AI LiteracyThe basic competence for every member of an organization to understand how AI works and where it falls short, and to use it safely and effectively at work.OKRA goal-management method that aligns an organization’s direction through ambitious Objectives and the Key Results that measure their achievement.Reskilling · UpskillingReskilling is retraining to move into a new role; upskilling is training that deepens the skills needed in a current role.Kotter’s 8 Steps of ChangeA classic change management framework that lays out eight steps, to be taken in order, for making large-scale change succeed, from creating urgency to anchoring the change in organizational culture.Leadership in the Digital and AI EraThe ability of leaders, rather than operating the technology themselves, to set decision criteria and build a learning culture as AI and data change how work gets done.Middle Managers · Sandwich ManagersThe management layer squeezed between goals from above and realities below, and the point where organizational change is largely won or lost.DX Maturity AssessmentA diagnostic method that rates an organization’s Digital Transformation level in stages across several areas, then sets priorities for what to do next.CAIO · Chief AI OfficerThe CAIO (Chief AI Officer) is an executive role overseeing a company’s AI strategy, adoption, governance, and capability building. It overlaps heavily with the CTO and CIO, so its position and authority differ from one organization to another.
Training linked to this term
📚Change and Innovation: Change ManagementNanum Consulting corporate training · On-site/onlineView Course →
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Last updated 13 Sep 2026 · Reviewed by John Kim

FAQ

Not after rollout, but from the 'planning stage.' If people aren’t ready in time, even a good system fails.
The basics: make people understand the 'why,' show small wins quickly, and ease fear through training and support.
From the moment the change is decided. Start by explaining why you are changing and keeping communication open, and resistance will shrink.
What works: share the urgency and the vision, get people involved, and show small wins quickly.