Dmitry Fesenko | Dmitry Fesenko

Oliver Buchannon

Dmitry Fesenko

Apr 10, 2026

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5 min read

A media buyer who manages 158 accounts

We're tracking every minute of the media buyers' time

Apr 3, 2026

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4 min read

I asked Claude to make me a $100M roadmap. Big mistake

And why I'm writing an internal bible for my team