CB

Chaojie Bu

Psychology-trained digital health builder.

Research evidence, real product work, selected services, and public writing—kept in clear, trustworthy lanes.

English-medium psychology training across the UK and US

Hospital-based psychological medicine workflow

First-author and co-authored PubMed-indexed research evidence

Four routes. One clear public identity.

Research, products, services, and writing each have one job. Choose the route that matches why you are here; the evidence and boundaries stay with the page that owns them.

Product work

Three products, each built around a real decision.

AI-assisted self-reflection, a calmer daily outfit choice, and a practical guide to rebuilding personal agency—each presented with its current status and boundaries intact.

Digital mental health prototypeIn development

Mind Portrait

An AI-assisted, non-diagnostic emotional self-reflection and wellbeing tracking prototype.

The in-development prototype is designed to turn a short guided conversation into a structured reflection summary and a light seven-day action plan.

SeYun Outfit app screenshot showing today's outfit plan, lead color, low-priority color, and optional weather outfit reference.
Lifestyle appPreparing for overseas App Store launch

SeYun Outfit

A purpose-based outfit planner that turns today's occasion, desired impression, comfort needs, palette preference, and optional weather context into a practical outfit decision card.

Real product screenshots sit beside public support, privacy, terms, and data routes for reviewers.

Cover preview of the Survivor Starter Manual website edition PDF.
Digital guidePDF guide prepared; checkout not publicRMB 19.9

Survivor Starter Manual

A complete RMB 19.9 digital PDF guide for rebuilding personal agency, energy management, and decision clarity under long-term organisational pressure.

The complete 25-page Website Edition is prepared; public checkout and delivery remain closed until the full route is verified.

Writing for public thinking, not performance.

Public notes and reflections on psychology, AI tools, digital products, personal agency, long-term systems, and one-person company building. Essays and logs show how research, product work, and personal systems are being developed without exposing private notes or unfinished claims.