Insights

Thinking about decisions.

Occasionally I write about the nature of high-stakes decisions — how they are made, what makes them hard, and what good thinking about them actually looks like.

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Decision-Making

Decisions Without Authors

A school board had the data, the options, and the mandate to act. Nobody moved. Not because the analysis was lacking, but because nobody could own what came next.

18 March 2026 · 5 min read

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Decision-Making

The Structure You Built Does Not Have Room for This Conversation

You trust every person in the room, and the decision that has been sitting with you for three weeks is one you have raised with none of them. The isolation is not a failure of leadership. It is a design consequence of the architecture you built.

13 April 2026 · 10 min read

意思決定

いちばん重い決断は、いちばん近い人に相談できない

役員会の議題に載らない問い。優れた組織を作ったファウンダーほど、最も重い意思決定を一人で抱え込む構造に陥る。設計ミスではなく、設計通りに機能した結果としての孤独を考える。

2026年4月13日 · 5分で読めます

Decision-Making

Borrowed Conviction

He arrived with a two-hundred-page report, a clear recommendation, and what looked like certainty. The analysis was thorough. And yet he was still talking about it. The gap between what the data said and what he felt turned out to be the most useful thing in the room.

5 April 2026 · 12 min read

意思決定

「借り物の確信」が最もリスクの高い判断を生む

データも提言も揃っていた。社内の合意もあった。それなのに、まだ誰かと話したい。その衝動の中に、分析では捉えられない最も重要な情報が眠っていた。

2026年4月5日 · 6分で読めます

Complexity

The Problem Behind the Problem

Complicated problems have solutions you can work towards. Complex ones resist that entirely. The difference is structural, and the pressure to confuse them is organisational.

21 March 2026 · 10 min read

意思決定

「難しい」と「複雑」を取り違える組織の力学

煩雑な課題にはスコープがある。複雑な課題にはそれがない。その違いを見誤る原因は、個人の判断力ではなく、組織の構造にある。

2026年3月21日 · 7分で読めます

Leadership

The Decisions You Think You're Making

An innovation hub drifted from community space to private lounge. Nobody decided to change direction. The direction changed anyway. What happens when decisions migrate without anyone noticing.

20 March 2026 · 9 min read

リーダーシップ

「見えない委任」— 意思決定のオーナーが消えるとき

「重要な意思決定は自分が下している」と信じている経営者は多い。ただ、すでに形づくられた選択肢の中から一つを選ぶ行為と、意思決定を主導する行為は、まったく違うものだ。

2026年3月20日 · 8分で読めます

意思決定

「正しい決断」は存在しない — 引き受けられる決断だけがある

データも選択肢も揃っていた。それでも理事会は動かなかった。分析が足りなかったからではない。誰もその決断を「自分のもの」にできなかったからだ。

2026年3月18日 · 6分で読めます

Japan · International

Deciding across cultures — what changes, and what doesn't.

Working across Japanese and Western business contexts reveals that the structure of a good decision is universal. How you arrive at it is not.

Coming soon · 9 min read

Confidentiality

What confidentiality actually means in an advisory relationship.

It is not simply a legal protection. It is the condition that makes honest thinking possible — and most advisory relationships don't provide it.

Coming soon · 5 min read

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