山口 偉大（Takehiro Yamaguchi） (@yamaguchi_take) — SaaS / B2B software on X (Twitter)

山口 偉大（Takehiro Yamaguchi） is a SaaS / B2B software creator on X (Twitter) in the 10K–20K follower range, publishing for Web marketers and growth professionals seeking AI tools and open-source solutions for practical marketing execution. Profile last checked 2026-07-03.

| Field | Value |

| --- | --- |

| Platform | X (Twitter) |

| Handle | @yamaguchi_take |

| Followers | 10K–20K |

| Category | Software · SaaS / B2B software |

| Audience function | automation and agents |

Profile bio

🔗Official Website https://t.co/fF3KRu2LnB / Founder, Start-X https://t.co/YuI8sfVaRF / Growth Architect, Editor / 📚著者「事業成長は、すべて設計と編集である。」

What this creator posts about, and who reads it

Recurring topics: Marketing-OS SaaS with AI CMO, open-source marketing tools, LLM usage for marketing execution, marketing democratization

Audience: Web marketers and growth professionals seeking AI tools and open-source solutions for practical marketing execution

Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.

Recent content samples

自社で意思決定を構造化する、AI CMO搭載のSaaS「Marketing-OS」というのを作ってすでに導入社数も増え始めているのですが... ・SEO ・広告 ・SNS というWebマーケのメインチャネルに関しては、オープンソースでみんながすぐ手元で実務支援ツールとして使えるように日々コード書いているので無理に「自社開発」したり「他社の高いツール」は導入する必要はないよ。…

See the original post on X (Twitter)

Where this creator sits in the wider pool

Koinon Link indexes X (Twitter) creators in Software with grade, authenticity and contactability broken down — see the X (Twitter) × Software breakdown, or the Creator Index Report for the whole index.

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