 NYSE Euronext (NYX) today announced the appointment of Michael S. Geltzeiler as Chief Financial Officer and Group Executive Vice President.  Mr. Geltzeiler, who will join NYSE Euronext on June 16, will also be a member of the Management Committee, pending regulatory approval.  Mr. Geltzeiler will be responsible for all aspects of finance, treasury and investor relations, and will report to Duncan L. Niederauer, CEO.  Joost van der Does de Willebois, who is a member of the NYSE Euronext Management Committee, will remain Head of the Amsterdam Market and will become Head of Corporate Communications.<br />“Michael is a seasoned professional who brings an outstanding reputation and a broad base of international business and financial experience to NYSE Euronext,” Mr. Niederauer said.  “I am confident that Michael will contribute to our global growth objectives and efforts to advance shareholder value.  On behalf of all my colleagues, I welcome Michael to NYSE Euronext.  We are also very grateful to Joost van der Does de Willebois for his service as Acting CFO.”<br /><br />“I look forward to helping build on the success of NYSE Euronext and its global leadership position,” Mr. Geltzeiler said.  “I am committed to ensuring that the organization maintains the best practices and highest standards of integrity in our pursuit of value creation for customers and shareholders.”