David J. Fagan has been appointed senior sales engineer for Rigaku’s Vacuum Products Div., a magnetic motion rotary feedthrough manufacturer. Fagan has more than 20 years of sales experience in the vacuum industry. He will be responsible for the New England states and will report to Dave Mahoney, vice president of Vacuum Products. He previously worked for two Massachusetts companies, Varian Inc. of Lexington and, earlier, for Wang Labs in Lowell, where he served as a contract maintenance manager. The Rigaku Group of companies offers products for the fields of general x-ray diffraction, x-ray optics, thermal analysis, x-ray spectrometry, computed tomography and thin-film analysis. For more information, visit: www.rigaku.com