Nancy Duarte, author of the HBR Guide to Persuasive Presentations, explains how to avoid PowerPoint hell.

Heidi Grant Halvorson, author of Nine Things Successful People Do Differently, shares proven tactics for setting and achieving your goals — no matter how distant they seem.

The competitive forces that shape strategy — in under two minutes.

Clay Christensen's landmark theory — in under two minutes.

Dr. Tony McCaffrey outlines a new way to generate ideas.

by David DeSteno, professor of psychology at Northeastern University, explains the research behind his article, "Who Can You Trust?"

How to Ask for What You Want

Based on research by Erin Reid. Managers can't tell the difference.

By Amy Gallo It's sooner than you think.

With Nichole Torres / HBR Editor Start with reflection.