Duncan Niederauer replaces Thain. He had been NYSE Euronext’s president since April 2007.
Gary Katz is now president and CEO of the International Securities Exchange (ISE). He was ISE’s COO. David Krell is now chairman.
J. William Twenty is now CFO of Alaron. Previously he was COO and CFO of First Continental Trading Group.
John Leonard was promoted to co-head of equities at UBS Asset Management.
Yassine Brahim was named CEO of GL Trade. He also manages global sales and client support.
Jeff Singer is now senior vice president and head of Nasdaq International.
Ian Fay was named managing director to oversee energy and natural resources for the Americas at BNP Paribas.
David Ryan is now head of Southeast Asian operations for Goldman Sachs. He was previously a partner and head of the bank’s financing group for Asia excluding Japan.
Walid Chammah and James Gorman have been named co-presidents of Morgan Stanley.
Martin Doyle is the general counsel of Quadriserv Inc. and president of Quadriserv Brokerage Services. Previously he was president and general counsel of OneChicago.
Jorge Bermudez was named chief risk officer at Citigroup. He succeeds David Bushnell, who retires Dec. 31.
Sumeet Nihalani is now Dow Jones’ senior director of sales for Asia Pacific.
The Chicago Board Options Exchange (CBOE) elected 10 individuals to its board of directors: Robert Birnbaum, Janet Froetscher, R. Eden Martin, Roderick Palmore, David Fisher, Anthony McCormick, Kevin Murphy, Bradley Griffith, John Smollen and Paul Kepes.