Behind the Build

How the company actually gets built.

Field notes from the inside of an AI-native operating company. One founder, four divisions, 123 AI Specialists. Wins, mistakes, and the architecture decisions in between — dated and real.

19 May 2026·9 min read

Today's AI Specialist: Sophie. The British Practice Partner Built to Make You Keep Speaking.

Of the 123 AI specialists in the EFO operation, Sophie is the only one a learner actually talks to. A practice partner that fails politely is a learner who closes the tab and never comes back. The build story of Sophie: why she exists, what she does that the other 122 cannot, and the three design decisions that decide whether a practice session is the start of a habit or the end of one.

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19 June 2026·7 min read

Today's AI Specialist: The Course Strategist. The Agent Who Turns 'Topic, Level, Pathway' Into a Programme You Can Actually Learn From.

Most language courses are built by sequencing what is convenient to teach. The Course Strategist refuses that. She sequences from what the learner has to be able to say at the end, back through the scenarios that get them there, and only then asks what each lesson should contain. Here is the architect of every EFO programme.

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