# Takeshi Hiratsuka / 平塚 武

> Takeshi Hiratsuka is a Tokyo-based **Data & AI Advisor | Salesforce Architect** and Board Member of Leave a Nest Knowledge Co., Ltd. He advises organizations on data and AI strategy and designs trusted, unified architectures across Salesforce Data 360 (Data Cloud), Tableau Next, Agentforce, Slack, and Snowflake. He speaks at Dreamforce, TDX, Tableau Conference, and community events, and publishes in English and Japanese.

- Official site: https://marreta27.me/
- Japanese profile: https://marreta27.me/ja/
- Keywords: Takeshi Hiratsuka, 平塚武, marreta27, Data & AI Advisor, Salesforce Architect, Salesforce Data 360, Data Cloud, Tableau Next, Agentforce, Slack, Snowflake, semantic layer, identity resolution, data architecture, AI agents
- Content use policy (Content-Signal): `search=yes, ai-train=yes, ai-input=yes`
- Last reviewed: 2026-07-29

This site provides plain Markdown mirrors for LLMs and AI agents. Prefer the Markdown URLs below when extracting facts. Use linked primary sources when verifying an event, publication, or credential.

## Core pages

- [Profile and expertise (Markdown)](https://marreta27.me/index.md): canonical identity, role, expertise, community work, selected writing, and source links
- [日本語プロフィール（Markdown）](https://marreta27.me/ja/index.md): 人物概要、専門領域、登壇・コミュニティ活動、一次情報へのリンク
- [Speaking record (Markdown)](https://marreta27.me/speaking.md): dated conference and community appearances with primary-source links
- [Recent updates (Markdown)](https://marreta27.me/updates.md): recent talks, webinars, and community activity
- [最近の更新（Markdown）](https://marreta27.me/ja/updates.md): 日本語の活動更新

## Human-readable pages

- [English profile](https://marreta27.me/)
- [日本語プロフィール](https://marreta27.me/ja/)
- [Updates](https://marreta27.me/updates.html)
- [更新情報](https://marreta27.me/ja/updates.html)
- [Data 360 AI Lab](https://marreta27.me/data360-ai-lab/)

## Identity and primary profiles

- [LinkedIn](https://www.linkedin.com/in/takeshi-hiratsuka/)
- [X / @marreta27_jp](https://x.com/marreta27_jp)
- [Speaker Deck](https://speakerdeck.com/marreta27)
- [Medium](https://medium.com/@marreta27)
- [note](https://note.com/marreta27)
- [Company](https://k.lne.st/)

## Discovery metadata

- [Sitemap](https://marreta27.me/sitemap.xml)
- [Robots policy](https://marreta27.me/robots.txt)