No matter how much you know about negotiation, there's always something you can learn to improve your game. And why not learn from the best of them? In this video, Deepak Malhotra, negotiation professor at Harvard Business School and best-selling author of negotiation books, shares 15 pieces of his all-time best negotiation advice.

If you're preparing for a big negotiation—or just want to sharpen up your skills for the next time one rolls around—it's worth spending half an hour watching the first half of this video. And if you want to dive even deeper, watch through the end for a Q&A with Malhotra.

Photo of woman negotiating courtesy of Shutterstock.