Tag Archives: decision making

decision making

john boyd

mental models

ooda loop

OODA loop – practical lessons from a military genius

John Boyd was arguably the most brilliant military strategist since Genghis Khan. However, few have heard of him. Boyd was an iconoclast who revolutionized modern warfare, and his biography is one of my all-time favorite books. John Boyd was not just a theoretician; he was a practitioner. When practitioners use their personal experience to teach, …

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behavioral psychology

decision making

investing

mistakes

personal development

Personal Growth

psychology of money

My worst investment mistake and 3 lessons learned

I stared at the screen in disbelief. My biggest stock position was down 90%. $30,000 of my hard-earned savings down the drain. Permanently. How the HELL did this happen? At the time, I was a professional investment analyst. I thought I knew what I was doing. But I made a colossal mistake and lost a …

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