It is not uncommon for agents who sell a lot of houses to hire people to work with them. As their businesses grow, they must be able to deliver the same or higher quality service to more people.
You may want to know who on the team will take part in your transaction, and what role each person will play. You may even want to meet the other team members before you decide to work with the team. If you have a question about fees on your closing statement, who would handle that? Who will show up to your closing?