The evidence

    Essays

    The argument, built piece by piece. 57 essays, grouped under three pillars.

    Latest essay

    Layer · Process · 6 min

    The Layer You Cannot Buy

    BCG has measured the gap between what CMOs say about AI and what they have built. In pharma that gap has a name, it sits between functions, and nobody owns it.

    By Mark Rhys Thomas · October 13, 2026

    Read the essay →
    A vintage rubber stamp and ink pad in a still life.

    Layer

    Compute

    The strategic asset. Where you make AI, and on whose terms, decides whether you can afford to run it.

    Layer

    Data

    The production input. A raw material with a supply chain, not a strategy theme.

    Batch Record issues in this layer

    The archive

    The weekly newsletter, not the essays. Numbered and dated.

    Layer

    Process

    The human operating layer, where AI is run with discipline. Three Ps: Permission, Practice, Proof.

    Process · Permission

    Process · Practice

    Process · Proof