Once you learn the techniques of true Leadership Skills to Influence others, you'll be able to build the boldness it takes to require the lead.
They told that leaders are born, not made. While it's true that some people are born leaders, some leaders are born within the midst of adversity. Often, simple folks that have not had a leadership role will get on my feet and take the lead when a situation they care about is necessary. A straight forward example is parenting. When a baby arrives, many parents discover leadership abilities they never knew existed to guide and protect their offspring.
Once you learn the techniques of true Leadership Skills to Influence others, you'll be able to build the arrogance it takes to require the lead. The more experience you've got acting as a real leader, the simpler it'll be for you. It's never easy to require the lead, as you may have to make decisions and face challenges, but it can become natural and rewarding.