Rethinking how apps get built in the age of AI.

Ex-BCG, turned product & design lead. By day I help build an AI learning companion for 35M+ students. By night, I build apps, experiment with AI workflows & share what I learn.

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Harry Angeles

head of design & indie builder

<2020
International (economics)
Bocconi · HEC Paris & NUS
Half-Mexican, half-German, mostly grew up in France. HEC Paris & NUS (MSc.), Bocconi (BSc.).
2018–2020
Startups, up close
Korelya · EF · Klar · Taxfix
VC analyst first, then growth & strategy work inside startups. Fell in love with tech.
2021–2022
Consulting detour
Boston Consulting Group
Interned, then worked full-time at BCG. Great school, but quickly realized I wanted to build the thing, rather than advise & leave before it's done.
2023–2024
Product (leadership)
Knowunity · Co-head of product
Helping scale Knowunity from 800K to 15M+ users & €5M+ ARR, as the only non-founder on the strategy team.
2025
Building my own apps, in public
Tolly · ai rethink
Co-founded Tolly, taught myself to code & built 50+ apps, sites & tools end-to-end. Sharing the hits & the misses on YouTube & Substack.
Now
Rethinking design & product building with AI
Knowunity
Back at Knowunity, helping build an AI learning companion for 35M+ students, across design, product & code.