Jeff Talmadge, former product development and systems integration director at Denon, a D&M brand, has joined Lenbrook America, the U.S. distributor of the NAD and PSB audio brands as product management and technical support manager … Jeffrey Leopold, who has worked on such consumer accounts as Gillette, Sprint, Hewlett-Packard and Polaroid for the Porter Novelli agency, has been named public relations director of Sharp Electronics and will report to chief marketing officer Bob Scaglione … Chris Browder, executive VP of Bowers & Wilkins North America for the past 25 years, will retire at the end of the year. His career in audio goes back 35 years, having been with a/d/s in the late 1970s and early 1980s before joining Bowers & Wilkins in 1986 … George Platisa, former chief financial officer and executive VP at Ascent Media Group, has joined Belkin as its chief financial officer.