Pavel Trubetskov

Founder and maker of Mentalium, a voice CBT diary with on-device AI transcription. I built it after my own years in CBT therapy for anxiety and depression: the diary is what makes CBT work, but keeping one by hand between sessions never did — it always got reconstructed from memory two hours before the appointment. Voice plus offline AI was the fix. I write and publish on mental health tech, on-device AI, and building a privacy-first product as a solo founder.