Trulia only shows one agent per listing. Trulia displays the agent who claims the listing first, so if you would like Robert Discoll to be on the listings but would also like to claim them, remove them from your account, have him claim the listings, then re-claim them.
Account Manager | Trulia
I don't think they can be set up for two agents. If you are currently showing as "the agent" depending on how the listings were uploaded to Trulia via direct feed or if you uploaded them yourself - it'll have to be changed if you want the team leader to be the agent of record.
Gina Chirico, Sales Associate