https://athr21.com/ Your company forgets faster than it learns. We build one brain from what your people know, on the AI you already use. en https://athr21.com/writing/what-a-fractional-cpo-actually-does/ https://athr21.com/writing/what-a-fractional-cpo-actually-does/ Fri, 11 Sep 2026 00:00:00 GMT The Fix Companies in Egypt ask for a fractional CPO when the product decisions have stopped being made. Here is what the role is for, and the part of it that usually gets dropped. https://athr21.com/writing/the-data-room-you-did-not-have-to-build/ https://athr21.com/writing/the-data-room-you-did-not-have-to-build/ Thu, 10 Sep 2026 00:00:00 GMT The Brain Most companies build the data room twice: once in a panic before due diligence, and once again for the next round. A company with a working memory builds it nearly for free. https://athr21.com/writing/goodbye-print-to-pdf/ https://athr21.com/writing/goodbye-print-to-pdf/ Wed, 09 Sep 2026 00:00:00 GMT Field notes Everyone builds slides with AI now. Sending them is where it falls apart. The four ways printing HTML to PDF breaks, the two-step method that fixes all four, and how to install the skill in Claude and in ChatGPT. https://athr21.com/writing/goodbye-canva-branded-decks-without-designing/ https://athr21.com/writing/goodbye-canva-branded-decks-without-designing/ Sun, 06 Sep 2026 00:00:00 GMT Field notes My managers used to joke about my slides. Now a fully branded deck comes out as a PDF without me opening a design tool. The five parts, the three skills, and how to install them. https://athr21.com/writing/teach-the-ai-to-write-like-you/ https://athr21.com/writing/teach-the-ai-to-write-like-you/ Tue, 01 Sep 2026 00:00:00 GMT Field notes Every AI draft sounds the same because the model never read you. The fix is four plain files and one editing skill, built from your own old writing. The full method, with the prompts, deep enough to copy. https://athr21.com/writing/build-your-second-brain-in-7-steps/ https://athr21.com/writing/build-your-second-brain-in-7-steps/ Wed, 26 Aug 2026 00:00:00 GMT The Brain A working playbook for operators and founders. Externalise what is in your head, plug in your sources, and let the brain ship decisions on a cadence, not just notes. https://athr21.com/writing/goodbye-lovable-how-we-built-athr21/ https://athr21.com/writing/goodbye-lovable-how-we-built-athr21/ Wed, 26 Aug 2026 00:00:00 GMT Field notes A non-developer built this site in fifteen working sessions on a free stack, starting from a second brain, not from code. The full walkthrough, deep enough to follow, plus the prompt to do it yourself. https://athr21.com/writing/why-did-we-lose-our-biggest-client/ https://athr21.com/writing/why-did-we-lose-our-biggest-client/ Wed, 26 Aug 2026 00:00:00 GMT The Brain Ask your company that one question and count the seconds before anyone speaks. That silence is the most expensive thing you own. https://athr21.com/writing/a-problem-is-not-the-most-important-problem/ https://athr21.com/writing/a-problem-is-not-the-most-important-problem/ Mon, 24 Aug 2026 00:00:00 GMT The Memory Diagnostic Every product team has a list of problems. The difference between a busy team and a winning one is not how many they solve. It is which one they chose. https://athr21.com/writing/the-meeting-that-runs-twice/ https://athr21.com/writing/the-meeting-that-runs-twice/ Tue, 04 Aug 2026 00:00:00 GMT The Record Most companies record what they decided and lose why. Here is how to tell the difference between a decision that was never made and one that was made and never written down. https://athr21.com/writing/attribution-without-a-data-team/ https://athr21.com/writing/attribution-without-a-data-team/ Tue, 21 Jul 2026 00:00:00 GMT The Record You do not need a warehouse to connect effort to results. You need four numbers, a date, and someone willing to write down what they expected before they started.