API for GEO authors: who writes and checks the guides
Two people sign every guide on this blog: Nora Vasseur writes them and Elias Brandt reviews them. Both work on the data the guides describe, so each method on the page is one the API applies.
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Head of Data
Nora Vasseur, Head of Data, writes all 5 guides
Nora Vasseur runs the data team at API for GEO. She designs the metrics the API returns, from mention rate to true reach, and writes the guides that explain how to read them. Her guides start from the definitions on the comparison page and end with a method you can apply to your own prompts.
Lead Engineer
Elias Brandt, Lead Engineer, reviews all 5 guides
Elias Brandt is Lead Engineer at API for GEO. He builds the pipeline that runs prompts on six AI engines and stores every answer, and he reviews each guide against what that data shows. When a guide explains how a number is computed, he checks that the API computes it the same way.