Office Politics in Korea Runs on 'Lines' — a Rule Nobody Explains to New Hires
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Watching the Koreans
Office Politics in Korea Runs on 'Lines' — a Rule Nobody Explains to New Hires
In short
Every workplace has office politics. Korean corporate culture has a specific noun for it — "line" — that names the practice of quietly tying your career to a particular senior figure, made highest-stakes by real, well-documented succession battles inside Samsung and Lotte that have decided far more careers than just the ones at the top.
Most new employees are told, one way or another, to focus on the work and the results will speak for themselves. Almost nobody is told the other thing that actually determines how far they'll rise inside a large Korean company: which senior figure's rise or fall they've quietly attached their own career to.
Korean workplace slang has a compact way of naming this. It's called being on someone's
line
line (라인) — informal alignment with a specific senior figure or internal faction, whose promotion or downfall carries your own career along with it.
A word for the thing nobody names out loud
What makes "line" a useful word rather than just a synonym for "office politics" is what it implies about risk. A line isn't a preference or a working style — it's a bet. Korean commentary on the phenomenon describes it almost like a rope: for the person who backed the winning side, it becomes a rope pulled upward toward advancement; for the person who backed the loser, it becomes the start of a fall with nothing underneath. Being aligned with someone doesn't just fail to help when they fall from power — it actively counts against you, because your own advancement was read as evidence you belonged to their camp.
That's a meaningfully different relationship to hierarchy than "networking" or "having a mentor" implies in English. A mentor's failure is generally treated as separable from the mentee's own standing. A line's failure isn't separable in the same way — the two are read as a single unit by everyone else deciding who to promote next.
What happens when the line loses
The clearest documented illustration of how much this matters plays out not among ordinary employees, whose line affiliations rarely make it into public reporting, but at the very top of Korea's largest conglomerates — where succession disputes are covered by international business press in enough detail to trace exactly how a faction wins or loses.
Confucian social structure, which shaped Korean institutions through the Joseon dynasty, established a model where every person occupies a defined position relative to everyone senior and junior to them. Modern corporate hierarchy inherited that scaffolding, and it's part of why status inside a Korean company has historically run on a mix of age, formal position, and informal internal connections — exactly the ingredients a "line" is built from.
Two family feuds that turned into two organizational earthquakes
Samsung's succession history is the most extensively documented case. In 1966, founder Lee Byung-chul's second son, Lee Chang-hee, was caught smuggling 50 tons of saccharin into the country and imprisoned, forcing Lee Byung-chul himself to step down temporarily (Korea Times). The eldest son briefly took over instead, but by 1969 both older sons had been cut from the succession line entirely, clearing the way for the third son, Lee Kun-hee, to be designated the future chairman. Decades later, a public inheritance battle pitted Lee Kun-hee against his own older brother, a sister, and a nephew's wife, all contesting the family fortune in court. And in the 2016 political scandal that ultimately reached South Korea's presidency, Lee Kun-hee's son, Lee Jae-yong, faced prosecution over bribes reportedly paid to help secure a smooth leadership transition — a scandal that also implicated Hyundai Motor's Chung Mong-koo and Lotte Group's Shin Dong-bin, showing the same succession-driven pressure playing out across multiple chaebol simultaneously.
Lotte's version was, if anything, more openly public. Brothers Shin Dong-bin and Shin Dong-joo fought for control of the group, with Dong-bin publicly questioning their elderly father's mental capacity to keep making decisions, and Dong-joo accusing his brother of feeding their father distorted information. The dispute triggered government raids across Lotte's businesses and dragged the family conflict into open court and headlines for years.
A mentor's failure is generally treated as separable from the mentee's own standing. A line's failure isn't separable in the same way — the two are read as a single unit by everyone else deciding who to promote next.
None of that boardroom drama stays contained to the family members whose names appear in the headlines. Battles at this scale ripple downward through exactly the kind of informal alignment "line" describes — executives, mid-level managers, and eventually ordinary staff who had each, at some point, quietly signaled which branch of the family or which faction of leadership they were backing, long before any court ruling made the outcome public.
Office politics isn't uniquely Korean — the framing is
None of this makes Korea unique in having office politics. A study from Pepperdine Graziadio Business School found that 40 percent of U.S. workers have seriously considered leaving a job specifically because of negative politicking and toxic internal behavior (Inc.). Factional behavior inside organizations is close to a human universal, not a Korean invention.
What's distinct is how explicitly Korean workplace language names the mechanism. English speakers navigate office politics largely without a shared vocabulary for the specific act of choosing a side — "networking," "sponsorship," and "mentorship" all describe softer, more voluntary-sounding relationships. "Line" and "julseogi" describe something closer to a declared allegiance, one that observers on the outside can point to and name the moment they see it, which is exactly what a term surviving in everyday office slang across generations tends to indicate.
Why nobody explains the rule to new hires
That naming gap is also why the rule rarely gets explained directly to anyone starting a new job. Telling a new hire "figure out whose line you're on" sounds cynical in a way that "focus on your performance reviews" doesn't, even when both are true simultaneously inside the same organization. So the knowledge gets transmitted the way most unwritten rules do — observed rather than taught, absorbed by watching who gets invited to which dinners and whose projects get staffed generously, long before anyone puts a name to what's actually being decided.
It's also why formal reforms aimed at Korea's hierarchy tend to leave line culture untouched even when they succeed at what they were actually designed to do. Many of the country's largest conglomerates have rolled out what's known as jikgeup hoching — title-flattening policies meant to loosen rigid, rank-based address and reduce the friction of a title-heavy chain of command. Those reforms can genuinely change how people address each other in a meeting. They don't touch who actually gets consulted before a decision, staffed onto a visible project, or quietly warned before a reorganization — because that information travels through the line, not through the org chart, and no title policy was ever designed to reach it.
The same informal hierarchy that makes lines matter also shapes who outranks whom based on tenure and school ties well before any org chart gets involved, and it's part of why some companies have tried, with mixed results, to flatten job titles as a way of loosening hierarchy's grip on daily office life.
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