The goal is to show that you have leadership skills. You want to showcase your ability to work as part of a design team and demonstrate that you've been a part of a larger project. Additionally, you want to give the interviewer a glimpse into your leadership style.

Choose an example that shows your ability to lead and drive a team. If you don't have an example of this situation as a designer, you can substitute an example from your personal life. If you don't have any examples at all to share, talk about your facets of your personality that would make you a good choice to lead a team.

I recently worked on a campaign that had multiple deliverables. We were tasked to produce marketing slicks, billboard signs and social cards with an aggressive deadline. I pulled two other designers into the project so that we could divide and conquer. I made sure everyone understood what the client needed and when it had to be completed. I routinely checked in with them to make sure they weren't running into any issues. I kept the lines of communication open so that our work was cohesive and consistent. As a team, we were able to meet the client's deadline.