Westfield America is a part of Westfield Group, which is one of the largest retail property development companies in the world. Founded in 1960, it operates more than 110 regional shopping centers throughout the United States, Australia and New Zealand, as well as the United Kingdom. The company works in partnership with over 23,000 retailers worldwide. It specializes in the areas of site development, design and construction. The company offers property valuation, leasing, and fund and asset management services. It additionally provides sales, marketing, advertisement and consulting services. With assets of nearly $65 billion, Westfield Group has a staff of approximately 4,000 employees.