For over 10 years, Google has conducted research under the code name Project Oxygen. The goal? Figuring out what makes the perfect manager, so it could train its leaders to develop those behaviors. The research has paid off, as over the years Google has seen marked improvement in employee turnover, satisfaction, and performance.
Interestingly, technical skill mattered much less than you might guess. What was far more important for managers were emotional intelligence skills--the ability to understand and control emotions (both their own and those of their people).
Check out the 10 behaviors that make up the perfect boss, according to Google: