# SK hynix chair

entity: /record/sk-hynix.md  
predicate: chair  
page: /record/sk-hynix/chair  
as_of: 2026-10-31  

As of October 31, 2026, SK hynix's chair on the AsOf record is Ko Seung-beom, dated March 25, 2026, from a primary source (web.archive.org) and one further source (en.sedaily.com). The record holds 3 claims on SK hynix's chair, 1 still open and 2 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current chair

What the record asserts on 2026-10-31.

- [SK hynix](/record/sk-hynix.md) | chair | Ko Seung-beom | valid 2026-03-25 to present | conf 0.95 | valid | [clm_F3BA48430920](/claim/clm_F3BA48430920.md)
  sources: https://en.sedaily.com/finance/2026/03/27/sk-hynix-samsung-both-tap-ex-financial-regulators-as-board, https://web.archive.org/web/2026id_/https://www.skhynix.com/sustainability/UI-FR-SA1502/

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [SK hynix](/record/sk-hynix.md) | chair | Ha Yung-ku | valid 2021-03-30 to 2025-03-27 | conf 0.95 | superseded | superseded_by [clm_6F7310C0DB6D](/claim/clm_6F7310C0DB6D.md) | [clm_767E1A030FE5](/claim/clm_767E1A030FE5.md)
  sources: https://www.koreaherald.com/article/2586668, https://www.businesskorea.co.kr/news/articleView.html?idxno=238467
- [SK hynix](/record/sk-hynix.md) | chair | Han Ae-ra | valid 2025-03-27 to 2026-03-25 | conf 0.95 | superseded | superseded_by [clm_F3BA48430920](/claim/clm_F3BA48430920.md) | [clm_6F7310C0DB6D](/claim/clm_6F7310C0DB6D.md)
  sources: https://www.koreaherald.com/article/10451856, https://biz.chosun.com/en/en-it/2025/03/27/TRE6GGBUXJFZRCOCJTIYDTGVP4/
- [SK hynix](/record/sk-hynix.md) | chair | Ko Seung-beom | valid 2026-03-25 to present | conf 0.95 | valid | [clm_F3BA48430920](/claim/clm_F3BA48430920.md)
  sources: https://en.sedaily.com/finance/2026/03/27/sk-hynix-samsung-both-tap-ex-financial-regulators-as-board, https://web.archive.org/web/2026id_/https://www.skhynix.com/sustainability/UI-FR-SA1502/

## What replaced what

- Ha Yung-ku (2021-03-30 to 2025-03-27, [clm_767E1A030FE5](/claim/clm_767E1A030FE5.md)) was replaced by Han Ae-ra from 2025-03-27 ([clm_6F7310C0DB6D](/claim/clm_6F7310C0DB6D.md))
- Han Ae-ra (2025-03-27 to 2026-03-25, [clm_6F7310C0DB6D](/claim/clm_6F7310C0DB6D.md)) was replaced by Ko Seung-beom from 2026-03-25 ([clm_F3BA48430920](/claim/clm_F3BA48430920.md))

## Questions this record answers

### What is SK hynix's current chair?

Ko Seung-beom, dated March 25, 2026, from a primary source (web.archive.org) and one further source (en.sedaily.com). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.95).

### When did SK hynix's chair last change?

The latest value on the record is Ko Seung-beom, dated March 25, 2026; before it the record holds Han Ae-ra, dated March 27, 2025 and closed on March 25, 2026.

### What was SK hynix's chair before Ko Seung-beom?

Han Ae-ra, valid from March 27, 2025 to March 25, 2026 (status superseded), from 2 secondary sources (koreaherald.com and biz.chosun.com).


## Get this data

- JSON: /v1/entities/sk-hynix/chair (this fact) · /v1/entities/sk-hynix?predicates=chair (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: entity_state(entity: "sk-hynix", predicates: ["chair"], scope: "all")
- Entity twin: /record/sk-hynix.md · timeline: /timelines/sk-hynix.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.