"I think I have between twenty and thirty commercials playing at present"

Thayer David's quote recommends that he is presently associated with a large number of advertising campaigns. This could indicate that he is either a manufacturer or a star in the commercials, or that he is a client who is spending for the commercials to be aired. It is likely that he is associated with a variety of various campaigns, as the variety of twenty to thirty commercials suggests that he is dealing with a large number of jobs. This might be an indication of his success in the market, as it is likely that he has actually been able to secure a great deal of contracts. It could also signify his aspiration, as he is likely to be taking on a large number of jobs in order to further his career.