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.