The prospect of advancing to the top of one's field is what makes it possible for many people to keep plugging away at their jobs, honing their skills, and taking on new projects. But after a certain point, career development depends on more than technical skills and a willingness to work hard. You also need a few soft skills, not the least of which is the ability to take on a leadership role. Some people are natural leaders, but anyone can develop the skill set needed with some practice. If you want to take your career as far as it can go, then you have to be willing to put in the work. Here are 9 strategies to help you develop your leadership skills and keep advancing your career.