Jeannette Howe, executive director of Nationwide Marketing Group’s Specialty Electronics Nationwide (SEN), has left the buying group. A longtime industry veteran, Howe joined Nationwide to head the then-new organization in January 2006. Tom Hickman, electronics senior VP for Nationwide, said the group is undergoing a search for a replacement and in the interim he will be running SEN … Mark Knox, longtime industry product development expert, rejoined former employer Sharp Electronics at the start of the year as a product and marketing consultant, focused on the launch of the Sharp WiSAcompliant Universal Player. In addition to Sharp, Knox’s extensive CE marketing background has included product and marketing leadership roles at Toshiba, Samsung, Denon and Panasonic, and included the launches of numerous key technology platforms for his employers involving DVD and HD DVD players … Sharon Mc- Collam, Best Buy’s chief financial and administrative officer, has added principal accounting officer to her duties. She assumed the new responsibilities following the resignation of controller and chief accounting officer Susan Grafton, who left the retailer after 13 years for a position at another company. Grafton will stay on through Feb. 14 to aid in the transition ... Core Brands hired three executives: Yann Connan, hired as product management director for the audio group; Brett Faulk, executive director of strategic products; and Randall Logan, who becomes channel marketing director. Faulk and Logan are filling newly created positions … Steve Baker joins Omnimount and Ergotron parent Nortek as president of the Ergotron business unit and David Wardleworth has been promoted to VP of the Omnimount business unit. Baker was previously general manager of Nilfisk-Advance’s U.S. division. Christine Berquam was promoted to retail marketing manager, and Michael Woods was promoted to e-tail marketing manager at Omnimount … Wilson Electronics has added three industry veterans to its North American sales staff: Kermit Adams, formerly with Linksys, joins Wilson as national account manager for the Best Buy and office superstore channels. Mike Tersigni, whose past positions include sales director at Creative Labs and Joby, is tasked with raising sales in the Canadian market. Nelson Roberts, formerly with sales rep Market Solutions, will be responsible for the RadioShack, Walmart and Petra Industries accounts. He is also tasked with penetrating retail club channels. The three will report directly to sales director Laine Matthews.