# Yipeng Zhang

> Product Engineer currently building CramAI. Owns product definition, UI/UX, frontend, and engineering delivery, turning multi-agent AI into products people can use.

This is the personal portfolio of Yipeng Zhang (张逸鹏), also known as Leo Zhang. He is based in Shanghai and studied at Edinburgh College of Art. The canonical site is https://leozhangdesign.com.

## Pages

- [Home (English)](https://leozhangdesign.com/en): Profile, selected work, capabilities, and contact for Product Engineer Yipeng Zhang.
- [Home (Chinese)](https://leozhangdesign.com/zh): 张逸鹏产品工程师中文主页，含作品、能力与联系方式。
- [CramAI case study (English)](https://leozhangdesign.com/en/work/cramai): Product engineering case study covering access/growth, AI Tutor, exam item bank, and analytics.
- [CramAI case study (Chinese)](https://leozhangdesign.com/zh/work/cramai): 佛脚AI（CramAI）产品工程案例，包含增长、学习工作台、题库与数据测量。
- [CramAI product](https://www.cramai.net/): Live multi-agent AI learning assistant that turns study materials into a learnable, testable loop.
- [Full site summary](https://leozhangdesign.com/llms-full.txt): Extended facts, project list, and citable metrics for AI systems.
- [Chinese summary](https://leozhangdesign.com/llms-zh.txt): 中文站点说明书，便于中文问答场景引用。

## Key Facts

- Name: Yipeng Zhang / 张逸鹏 / Leo Zhang
- Role: Product Engineer; Product Lead / Product Engineer on CramAI
- Current product: CramAI (佛脚AI), a multi-agent AI learning assistant
- Location: Shanghai, China
- Education: Edinburgh College of Art
- CramAI usage signal (Jun 7–Sep 4, 2026): 1,264 active users in 90 days; 22,514 product events
- Skills: product definition, UI/UX, frontend, AI integration, Next.js, React, multi-agent systems
- Languages: English and Chinese

## Contact

- Website: https://leozhangdesign.com
- Email: Leo_zhangyipeng@163.com
- LinkedIn: https://www.linkedin.com/in/yipeng-zhang-228559319

## Optional

- [LinkedIn](https://www.linkedin.com/in/yipeng-zhang-228559319): Professional profile for Yipeng Zhang.
- [Chinese full summary](https://leozhangdesign.com/llms-full-zh.txt): 完整中文事实清单，含项目与可引用数据。