# 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 was selected as a Tableau Ambassador for 2026 on September 9, 2026. 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: 2026-09-10

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.

## Community and personal background

He founded Data 360 AI Lab, an independent, practitioner-led community, alongside his planning and organizing work with JTUG/KTUG. The September 2, 2026 launch program lists his Data 360 introduction, Slackbot integration session, and BI and data discussion: https://techplay.jp/event/998636. Data 360 AI Lab is not an official or endorsed Salesforce community.

Outside work, he studies art history at Kyoto University of the Arts and enjoys visiting museums. He can’t live without manga, movies, and live shows by the galactic punk band Wienners.

## 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)
- [Library](https://marreta27.me/library/): talks, projects, and selected resources organized for browsing
- [ライブラリ](https://marreta27.me/ja/library/): 登壇資料、プロジェクト、記事をテーマから探すためのハブ
- [Data 360 AI Lab](https://marreta27.me/data360-ai-lab/)
- [Data 360 AI Lab（日本語）](https://marreta27.me/data360-ai-lab/ja/)
- [What “the AI has grown” really means](https://marreta27.me/what-ai-growth-really-means/): bilingual interactive slides on why AI answer quality improves when data has structure, history, and meaning
- [Slackbot × Data 360 deck](https://marreta27.me/slackbot-data360/): bilingual interactive slides on preparing Salesforce data for Slackbot and Agentforce Coworker
- [Wekapipo Training Plan](https://marreta27.me/wekapipo-training-plan/): an interactive eight-week karaoke practice roadmap with Japanese and English editions

- [Practical Slackbot: Colombo](https://marreta27.me/colombo-slackbot/): 38-slide session material dated September 9, 2026; English and Japanese website revision. Demo walkthroughs, without recordings or execution logs.
- [実践 Slackbot: Colombo（日本語）](https://marreta27.me/colombo-slackbot/ja/)
- [Colombo full text](https://marreta27.me/colombo-slackbot/index.md) · [日本語全文](https://marreta27.me/colombo-slackbot/ja/index.md)

## 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)

## Language policy
English is the default. Japanese resources have explicit /ja/ URLs. Every resource has a language-specific share image.
- Takeshi Hiratsuka: Data & AI Advisor | Salesforce Architect: https://marreta27.me/ | 日本語: https://marreta27.me/ja/
- Library: Learn with Takeshi Hiratsuka: https://marreta27.me/library/ | 日本語: https://marreta27.me/ja/library/
- Updates: Takeshi Hiratsuka: https://marreta27.me/updates.html | 日本語: https://marreta27.me/ja/updates.html
- Privacy: Takeshi Hiratsuka: https://marreta27.me/privacy/ | 日本語: https://marreta27.me/ja/privacy/
- What “the AI has grown” really means: https://marreta27.me/what-ai-growth-really-means/ | 日本語: https://marreta27.me/what-ai-growth-really-means/ja/
- Slackbot × Data 360: https://marreta27.me/slackbot-data360/ | 日本語: https://marreta27.me/slackbot-data360/ja/
- Project Vanilla Core: https://marreta27.me/vanilla-core/ | 日本語: https://marreta27.me/vanilla-core/ja/
- Ask, don’t search: Practical Slackbot: https://marreta27.me/colombo-slackbot/ | 日本語: https://marreta27.me/colombo-slackbot/ja/
- Data 360 AI Lab: https://marreta27.me/data360-ai-lab/ | 日本語: https://marreta27.me/data360-ai-lab/ja/
- Wekapipo Training Plan: https://marreta27.me/wekapipo-training-plan/ | 日本語: https://marreta27.me/wekapipo-training-plan/ja/