Krieger will report to Robert A. Marchman, executive vice president, Enforcement and Risk division.

"We are fortunate to have Fred Krieger join us at NYSE Regulation in this critical position," said Marchman. "His depth of experience and understanding of the complexities of securities regulation and risk will be a benefit to the entire organization, as well as investors, as we face the challenges that lay ahead."

Krieger was most recently managing director of Riverview Capital Holdings, a private investment firm based in Edgewater , New Jersey . From 1991 to 1998 and from 2002 to 2006, he held a series of positions with increasing responsibilities at Citigroup and predecessor firms, including director of European Compliance at Salomon Brothers International Limited in London, president of Citigroup Geneva Capital Strategies, a firm that provides merger and acquisition services to privately held businesses, and managing director of compliance for fixed income, emerging markets and derivatives in Citigroup Global Markets. Between his stints at Citigroup, Krieger was employed by Charles Schwab in San Francisco as senior vice president of Global Compliance. Earlier, he had been engaged in the private practice of law and was an associate general counsel at the Chicago Board Options Exchange in Chicago .

Krieger has also served on industry and regulatory committees, including the Executive Committee of the Compliance and Legal Division of the Securities Industry Association, and the Business Conduct Committees of the Chicago Board Options Exchange and the Philadelphia Stock Exchange. He began his career as an attorney in the Trial Unit of the U.S. Securities and Exchange Commission's Division of Enforcement. Krieger received his bachelor's degree from the University of Pennsylvania and law degree from Emory University .