Kevin Carberry, who has specialized in Heights housing for three decades as principal broker of a real estate firm that bears his name, is a lifelong local resident.

He had served as the principal broker for John Paul Getty and helped in the structuring of Getty Oil Company.

In a brokered convention, Mr. Jackson could well be the principal broker.

He became one of the principal brokers in the sale of Black Hawk's stolen cattle.

The wide range of housing options helped to produced record sales last year, said Joseph Valvano, principal broker with Ye Village Realty.

The principal broker (and his/her agents) then become the agent/s of the principal, who is the broker's client.

"It's having a definite effect on the market," said Jacques Ambron, principal broker of Madeleine Realty, referring to the Windsor.

In a state Legislature hearing earlier this year, he had blamed his principal broker, Merrill Lynch & Company, for pushing him into the ultimately disastrous investment practices.

They were the Rothschild's principal broker.

Because of careful zoning, each area "has its own stamp," said Lottie Eisenberger, principal broker at the Harrison-based agency that bears her name.