Want to be more likeable at work? Here are 10 things you can try today. To a large measure, your likeability will lead to success or failure. It often trumps skill levels in surveys of HR people who are asked to name the most important characteristic of job candidates and employees. Other than “don’t be an jerk,” what can you do to increase your own likeability? Is it really possible to change? Or, do you believe your likeability has been set by some cosmic forces, and if people don’t like you as you are, so what? By the way, being rich or good looking is not on the list.