Working notes

Essays from the studio — not copywriting, not promotion, not advice.

Notes from program directors and operators. Published when there is something worth writing down, not on a schedule.

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The First Doc A New CTO Should Write

Most first-time CTOs spend their first ninety days reviewing what already exists. The opposite habit is more useful: write a single page describing what you intend to do.

Min-Jun Park  ·  Strategy / Operating cadence / Writing rituals

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"Every working note that has survived three rewrites has been about a problem we did not know we had until we tried to write it."

Why Senior Hires Disappear At Offer Stage

The candidate did the technical screen, the systems-design interview, the final round. Then a week of silence. Three patterns explain ninety percent of these losses.

Sumin Lee  ·  Hiring / Senior talent / Closing playbooks

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Five Lines That Belong In Every Working Contract

A working contract between a CEO and a CTO is not a legal document. It is a short paragraph that names the failure modes you have already met.

Eun-Bi Han  ·  Founder alignment / Working contracts / Mediation

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A Quiet Defence Of Slow Discovery

Engineering-led startups underrate slow discovery. Three reasons it pays off, and one reason it almost never gets prioritised.

Ji-Ho Kim  ·  Product strategy / Discovery / Writing rituals

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How A Peer Triplet Outperforms A Solo Coach

For most early-stage technical founders, a peer triplet of fellow operators outperforms a single coaching relationship. The mechanics are not mysterious.

Da-eun Kwak  ·  Leadership / Peer learning / Operating cadence

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