Subsequent to his stint in government, Berrocal became managing director of Wolfensohn (later acquired by Bankers Trust, then Deutsche Bank, where he worked closely with Federal Reserve Bank chairman Paul Volcker.
Mr. Wolfensohn, who also chaired the Board of Trustees of the Institute for Advanced Study in Princeton, New Jersey, sought the advice of the Institute Director at the time, Phillip Griffiths.
His art is included in the collections of the National Gallery of Australia, National Gallery of Victoria, National Portrait Gallery, and significant private collections including Sir Elton John, James J. O'Donnell and James D, Wolfensohn.