The correct answer to this open question is the following.
There is no question here. It is just a statement. And this statement has no reference or context.
What do you want to know?
Trying to help you, we can comment on the following general terms.
If Carla is an event coordinator who organizes the largest trade shows, this means that she needed to fully prepare to be ready to face and overcome major challenges during her profession.
If you want to work as a major events coordinator, you have to study hard and get enough experience in the following activities: travel arrangements, scheduling meetings, expo attendance, sponsorships, venue rental, touristic attractions in the area, hotel reservations, supporting vendor, artist and performers during the expo, and many more.