Jeffrey Kyle Castor

Time to get better, day by day — a portfolio on business, technology, and the systems behind success. Essays on building companies, sharpening the mind, and the pursuit of a better tomorrow.

Subjects

Mind

Essays on attention, fear, practice, and the architecture of a steadier mind.

Technology

Cloud, data, security, and the systems quietly reshaping how we live and work.

Money

How value is created, where wealth hides, and the economics of everyday life.

Selected Writings

Data Liability to Business Asset: The $275,000 Pen-Stroke Leak

Shattering the Priesthood: How to Use the 10/80/10 Rule for Rapid Skill Acquisition

The 10x Architect: How We Automated a $1B Empire and Killed the Weekend Grind

The Bodybuilder-Pianist: Why Discipline Scales Better Than Code

Multi-Level BOM Auditing: How AI Eliminates Circular Redundancies and SKU Overlap in NetSuite