Not everything I learned in the military applies to business. But some things do—and they stick for life.

Here are 10 principles I carry with me from my time in uniform to every leadership role I take on today:

  1. Mission matters. You don't have to die trying once you're out of the service, but giving it everything you have still counts. Commitment is contagious.
  2. Debrief or repeat. A proper after-action review isn't optional. Everyone makes mistakes—but you can't afford to make the same one twice. And while a messy launch might be forgivable once, failing to learn from it is not.
  3. Prepare or fail. Planning doesn't guarantee success—but not planning guarantees failure. Think through the details. Execution starts with preparation.
  4. You don't need to know it all. Being the boss doesn't make you the smartest person in the room. Hopefully, you've hired people with real skills and independent minds—use them. There's no version of success where you're stronger alone than you are together.
  5. Listen, but decide. Ask for input. Seek advice. But at the end of the day, you are paid to make the call—and own the outcome. That's what leadership is.
  6. Stay calm under fire. Panic is contagious. As a leader, your calm is a shield. Lose it, and the whole organization feels it.
  7. Embrace the “boring” stuff. Discipline, logistics, documentation, SOPs—these aren't glamorous, but they keep organizations from falling apart. High-performing teams are built on structure, not just inspiration.
  8. Know when not to fight. Not every hill is worth dying on. In business as in combat, choosing your battles wisely preserves energy, credibility, and resources for what truly matters.
  9. Use humor as a survival tool. Pressure can break people. A bit of humor—used appropriately—can be a release valve, a bonding tool, and a quiet show of confidence.
  10. People first. Always. Your team is everything. Titles and diplomas will only get you so far. If you want loyalty, performance, and growth—invest in your people. If you've got their back, they'll have yours. And some of those bonds will outlast the job.

Would love to hear what leadership lessons you carry from past lives into today's work.