Aleksandr Kosenko

I write and build things

Life & Growth

Manage · Cope · Learn · Sleep · Negotiate · Career

Product & Digital

Business · Product Management · Growth · Writing

Series

AI Projects

  • HealthRAG — medical documents RAG, 870 docs processed
  • Selfology — AI coaching with 1,513 curated questions
  • LangMentor — adaptive language tutor, 2300+ exercises
  • WriteRAG — writing feedback from 10+ professional books
  • SignalAI — ML content filter, 88% time saved
  • VoiceFlow — voice-to-Notion, 10 hrs/week saved
  • TranscriptFlow — YouTube → readable text, 5x faster

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