The company had already cut 795 jobs, or 35 percent of its work force, to reduce expenses.
In the last two years, the company has reduced expenses by $400 million, he said.
It plans to reduce expenses by 4 percent this year alone.
Those changes are expected to reduce annual expenses by $250 million.
Moving into a smaller house, he said, can reduce expenses.
The initiative reduced expenses by $750 million over two years.
To reduce expenses, the company last year eliminated 2,000 jobs.
The company is concentrating on reducing its expenses in other ways, too.
This change was implemented to reduce expenses and to create a learning environment which would meet the needs of all students.
To reduce expenses, Marsh has been forced to cut its work force of nearly 60,000 by about 3,000.