William Restrepo has been appointed CFO and treasurer of Smith International, a Houston-based provider of oilfield services with $10.7 billion of 2008 revenue. He succeeds Margaret Dorman, the company's CFO and treasurer since 1999, who is retiring. Restrepo, 50, was most recently CFO, executive vice president and secretary of Seitel, which provides seismic data to the oil and gas industry. Earlier, he spent two decades at Schlumberger, where his positions included corporate treasurer.

Advanced Micro Devices, a $5.8 billion technology computing, has named Thomas Seifert CFO and senior vice president. He succeeds Robert Rivet, who was promoted to chief operations and administrative officer of the Sunnyvale, Calif.-based company. Seifert, 46, most recently was CFO and COO at Qimonda. Previously he was senior vice president and general manager of the Wireline Business Group at Infineon.

Anthony Massetti has been appointed CFO and senior vice president of Avaya, the Basking Ridge, N.J., communications equipment company that was taken private by venture capitalists in 2007. Massetti is joining Avaya from NCR, where he had served as CFO since 2008. Earlier, he served as CFO of QLogic and vice president of finance for SanDisk, and spent 17 years in finance positions at IBM.

Harley-Davidson, the $5.5 billion motorcycle manufacturer, has appointed John Olin CFO and senior vice president. He has served as interim CFO since May, when the previous CFO, Thomas Bergmann, resigned to pursue other opportunities. Olin, 48, has been the Milwaukee-based company's controller and vice president since signing on in 2003. Earlier, he worked in finance at Kraft Foods, where he served as controller of the cheese division, Oscar Mayer Foods and Miller Brewing.

John Woods has been named vice chairman of the financial management group of San Francisco's UnionBanCal, the parent of Union Bank, and will succeed David Matson as the company's CFO after Matson retires early next year. Woods most recently was CFO of the home lending business of JPMorgan Chase. Earlier, he worked in finance at Washington Mutual, serving as its corporate controller and later as CFO of its home loan unit. Woods also worked at Freddie Mac, where he served as corporate controller.

Thomas & Betts, a $2.4 billion electric component manufacturer in Memphis, appointed William Weaver Jr. CFO and senior vice president. He succeeds Kenneth Fluke, who announced his retirement in June. Weaver, 46, has served as the company's controller and vice president since November 2008. Earlier, he was CFO for First Horizon Home Loans/MetLife Home Loans and was the managing partner for the Memphis office of KPMG.

MEMC Electronic Materials, a $2 billion maker of silicon wafers in St. Peters, Mo., has named Tim Oliver CFO and senior vice president. He succeeds Ken Hannah, who was promoted to executive vice president of MEMC and president of MEMC Solar Materials. Oliver, 41, was CFO and senior vice president of Metavante Technologies until it was acquired by Fidelity National Information Services this fall. Earlier, he was treasurer of Rockwell Automation and vice president of investor relations and financial planning at Raytheon.

Mark Rosenbaum has been named the first CFO of MySpace, the social networking Website that's owned by News Corp. Rosenbaum most recently was a consultant to MGM on business intelligence and financial management system implementation. Earlier, he was senior vice president of corporate finance at Gemstar-TV Guide, a former News Corp. unit, and CEO of SmartJog, a French start-up.