Sphere

Nick Rudder Verified account @nrudder_ · Nov 26, 2025

Building an AI-powered system that ingests, codifies and monitors the world's tax law is no easy feat. It has never been done before.

In our whitepaper on how we built TRAM (Tax Review and Assessment Model), our AI Lead, @bowcut_a, steps through:

🌍️ How we built the world's first AI-native tax engine
🪜 The steps TRAM takes to balance accuracy with scalability
🔍️ How we evaluate TRAMs outputs, and
🏰 TRAM's moat and how it improves over time

If you want to build systems that are at the forefront of AI and international trade, @bowcut_a is looking for someone to join his team

Whitepaper: getsphere.com/blog/building-…
AI Engineer role: jobs.ashbyhq.com/sphere/4e3c594…

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Nick Rudder Verified account @nrudder_ · Nov 19, 2025

The journey to Series A at @get_sphere was a deeply personal one for me and this interview I did with @aaron_epstein is the unfiltered version.

People say that you should seperate work from your personal life, but when you're a founder they're inextricably linked. A crisis on either side ripples into the other.

I hate lines like "we're just getting started" because the truth is, most founders go through a valley of pain before they get to any sort of validation.

Yes, there's always a long road ahead and you should never become complacent - but the struggle should be acknowledged.

Enjoy.

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