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May 22 (Reuters) - The following financial services industry appointments were announced on Friday. To inform us of other job changes, send an e-mail to moves@thomsonreuters.com.

WINTRUST FINANCIAL CORP (WTFC.O: Quote, Profile, Research)

The Lake Forest, Illinois-based financial holding company said it appointed Richard Davis as chairman and chief executive officer of its unit St. Charles Bank & Trust Co. [ID:nWNAB2993]

NASDAQ OMX GROUP INC (NDAQ.O: Quote, Profile, Research)

The U.S. market operator said Guang Xun Xu, its chief representative in China and managing director for Asia, has left the company. A company spokeswoman said a replacement is yet to be named. [ID:nWEN9517]

ROYAL BANK OF SCOTLAND (RBS.L: Quote, Profile, Research)

The part-nationalised lender said it appointed Sandy Crombie, the chief executive of insurer Standard Life (SL.L: Quote, Profile, Research), to its board. Crombie will become the senior independent director of the RBS board effective June 1, said RBS. [ID:nLM202995]

EVERCORE PARTNERS INC (EVR.N: Quote, Profile, Research)

Evercore named BlackRock Inc's (BLK.N: Quote, Profile, Research) co-founder Ralph Schlosstein as its chief executive, replacing Roger Altman as the boutique investment bank seeks to diversify from its core advisory business. [ID:nBNG479383] (Compiled by Mansi Dutta in Bangalore and Tenzin Pema in New York)