# Zen Koh revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Person: [Zen Koh](/people/zen-koh.md)

## Recorded posture

- First recorded event: 2026-06-05
- Last material change: 2026-06-05
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2026-06-05**: created (source: https://www.theceomagazine.com/executive-interviews/healthcare-pharmaceutical/zen-koh/) (verified)

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /people/zen-koh/history. REST: /v1/people/2b2a64a6-7f20-491f-bdd4-43967090cc02/history. HTML: [/people/zen-koh/history](/people/zen-koh/history)._