Leewen

Making finance legible, between graphs and words.

22 years in bank middle-office · graph databases · PMP. Delivered at China Merchants Bank, Huaxia and Sinopec; co-author of 'Graph Database: Principles, Architecture and Applications'.

Let's Talk Read my writing →

CMB's LCR liquidity risk graph middle-office — featured in the 2023 interim report, saving 31,200 hours of manual work.

Projects

Turning the ideas in my head into something you can click. Both projects are about graphs — one weaves Tang poems into a graph, the other turns a whiteboard into a video.

PoemGraph

Re-reading Tang poems in a graph

A graph view across 1100+ Tang poems — poet / imagery / allusion / theme, all readable at a glance.

→ Record

Infinite whiteboard + recording

Minimal whiteboard recorder. Draw, narrate, ship a video — no more screenshot chains for the team.

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Writing

Notes from the seam between finance and engineering. Each piece aims to be clear enough to cite.

All essays →