Jeff Barnett, Author at Primer

Jeff Barnett

Jeff Barnett is an entrepreneur, fitness enthusiast, and former Marine. He has an undergraduate degree in mechanical engineering and an MBA. When you don't find him wakeboarding, writing, or eating meat off the bone, he's at his startup, CrossFit Impulse.

Speaking Corporate Finance 101

Sure, you might think you know what a stock is, but do you know what a P/E ratio, or Beta is? I promise the big gun's at the office do. Planning to invest is a noble start, but now it's time to get ... [more]

The 3G iPhone: 3 Weeks In

There are 3,000 iPhone 3G reviews floating about from mega-blogs, but I know that you're curious about my take on the subject. So what do I think of the iPhone 3G? I'm glad you asked. I'm going to ... [more]

Sore Losers: The Pitfalls of Overtraining

Crafting a better body is addictive but training too frequently can be damaging to your muscles and efforts. Learn to listen to your body and avoid setting yourself back.

Functional Strength: Fit to Fight, Fit for Life

When the "stuff" hits the proverbial fan, a three-hundred pound bench press isn't going to get you out of a sticky situation. Jeff Barnett tells you how to get in the best shape of your life and ... [more]

Train Your Brain: Achieving Your Fitness Goals Starts in Your Head

Think exercising is a mindless activity? Think again. Unless you've got the discipline and the mindset, you're only doing half the work. Let ex-marine and fitness enthusiast Jeff Barnett lay down ... [more]