Jacek Margol

Brainjet started as a personal inquiry: what happens when you stop optimizing and start listening to the actual signals your brain is sending?

I write about attention, cognitive recovery, and the neuroscience of calm — not as abstract science, but as lived practice. Every essay on this site comes from the intersection of peer-reviewed research and direct experience: years of working with my own neurodivergent wiring, navigating burnout, and learning that the brain doesn't respond to force — it responds to rhythm.

My background spans cognitive science and technology. But Brainjet isn't a tech product or a biohacking blog. It's a library — built slowly, with care, for people who think deeply about how they think.

Background

Before founding Brainjet, I spent nearly two decades in demanding global corporate roles spanning strategy, operations, and technology leadership. That experience gave me firsthand exposure to the cognitive costs of sustained high-performance work — and a deep curiosity about the neuroscience behind why some people sustain it while others don't.

Since then, I've devoted thousands of hours to studying and applying research from cognitive neuroscience, psychophysiology, and behavioral science. Every article on Brainjet cites primary sources — peer-reviewed journals, clinical guidelines, and established neuroscience literature — and is grounded in my own practice with the tools and protocols I write about, including EEG neurofeedback, HRV training, breathwork, and structured cognitive recovery.

What I believe

• Your brain doesn't need optimization. It needs regulation.
• Recovery is not the opposite of performance — it is its prerequisite.
• Friction and ease are both useful. The skill is knowing which you need.
• Neurodivergence is not a deficit to manage. It is a different rhythm to respect.
• The best cognitive tools are the ones you actually use — consistently, gently, without heroics.

Where to start

If you're new here, the Start Here page will orient you. If you want the foundational framework, read Attention as a Finite Signal and Friction & Ease: The Core Practice.

If you want to work together directly, see Work With Me.