1. It might sound trite, but it’s effective: the first rule is to have a hero, a role model, and to measure your own conduct against his. Most men are competitive and like to measure their achievements against others, so this probably comes naturally. But you must choose your heroes wisely.

2. Read that employee manual. Yes, it is drivel from lawyers, but you need to be able to quote it back to them.

3. Eye contact is important: think about eye discipline. In conversation, a woman will watch a person’s eyes; a man will often first look at a person’s lips. If you speak with a woman, she’ll notice if you sneak a glance anywhere, so don’t do it; and if you speak with a man, maintaining eye contact is a sign of confidence.

4. Always dress a little better than necessary; it’ll give you an air of someone who’s moving up.

5. In the office the tone of your voice should be clear, kind, concise, and never louder than necessary.

6. Silence your mind and listen, really listen when someone speaks, and respond appropriately. It is really that simple. Many people focus so much on their own thoughts and what they are going to say, that they don’t listen—and that’s a detriment in any meeting.   

7. Be aware of how posture makes you look—crossed arms are defensive, hands on your hips can be too strong for some, a slouch or downcast eyes weakens you. Be strong, but open and friendly.

8. Closed-door conversations should be rare and tactfully done. And, in general, a man should not do a closed-door employment review of a woman without another woman present.

9. Communication in an office quells dissent. If you keep too many work secrets from employees, you will alienate them. Dissension will start. The rumors will be worse than the truth.

11. Always give credit where it is due; conversely, demand credit when it is due.

12. Know your company’s hierarchy and get clear answers to how you can climb the ladder. Practical, directed ambition is a good thing. Also, get to know your company’s competition. It will make you better in your current job—and might land you another one.

13. Never assume your boss knows what you do for the company. It can be important to quietly assert your authority in areas where you have expertise, but don’t overdo it. Meanwhile, never assume that those above you in the company have your best interests at heart. They should, but many won’t.

14. Learn: develop new skills, keep up on trends in your business, acquire advanced degrees if necessary, keep yourself versatile, competitive, and valuable to an employer. The challenge of learning new things will make you happier too; you won’t feel like you’re in a rut.

15. Keep your desk clean and organized (a man who can’t govern himself won’t be trusted with supervising others). The photos in your office are public declarations of who you are—make sure they say the right things. Likewise, social media and the rest of your online profile is your autobiography; make sure it puts your best foot forward.