He remains chairman of the investment bank, a key source of growth for the company, and he will take over for Thomson as head of wealth management until a successor for Krawcheck in the chief financial officer role is found.

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He was initially the Chief Financial Officer (CFO) of the company's German mobile subsidiary, later assuming the role of Chief Executive Officer before becoming the Chief Sales and Service Officer of the company's European mobile operations.

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Andrew Fastow, Enron's former chief financial officer, is already a target of prosecutors because he earned tens of millions of dollars from his role in partnerships set up by Enron a role that apparently conflicted with his duties as chief financial officer.

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Kopnisky will serve as CEO of the combined company, while Provident New York's chief financial officer Luis Massiani will serve in the same role.

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