Panasonic gives Bill Mannion the title of Television and Networks Systems Division VP in addition to his previous title of general manager. He continues responsibility for direct marketing analog and digital televisions and set-top boxes . JVC promotes three to product VP positions: Jerry Barbera (consumer video), Karle Bearnarth (consumer audio) and Michael Holmes (color television), while general manager titles were given to: Takeo "Tad" Hirano (marketing), Yasutoyo "Jeff" Imada (military sales); Yutaka "Jim" Ohkuma (color TV) and Takeshi "Tommy" Inagaki (consumer video). Also, Gary F. Defeo becomes merchandising manager-Recording Media Division, from national accounts-sales and marketing manager . Hideki Tafuku appointed Aiwa America Inc. president/CEO, effective immediately. Tafuku replaces Yukio Yamamoto, who returns to Japan .Good Guys' e-commerce unit, goodguys.com, names Marcus F. Nucci chief information officer. Nucci, formerly Value America's senior VP/technology and acting chief information officer, is responsible e-tail site www.goodguys.com and will serve as interim CEO while the cyberstore continues its search . Whirlpool names Alan Shaw, currently VP/air treatment group, to the newly created role of VP/integrated home solutions . RadioShack names Nina B. Petty senior director/corporate real estate. Petty, formerly senior VP and managing director for real estate firm CB Richard Ellis Inc., will manage the merchant's non-retail corporate assets and facilities, including the Charles D. Tandy Center in downtown Fort Worth, and will coordinate other corporate real estate programs . Paul Von Feldt, Eastern regional sales manager for MB Quart, promoted to the new position of national sales manager . Jackie Trilling, former purchasing and marketing VP for CompuTech, Maple Shade, N.J., named marketing director for New York's Datavision . Bernie Fidler, former Service Merchandise finance/inventory control VP, joins Stuart & Associates as returns & Internet operations VP . Michael J. Harris, former VP/sales and marketing for Chapel Steel, joins CE and appliance distributor Almo Corp. as senior VP/sales, responsible for sales strategy and management of e-commerce fulfillment . Barry Sharon named chairman and VP, and Andrew Sharon has been promoted to president of St. Louis-based store fixtures and supplies company The Nu-Era Group . Sean Skelley, VP/services at Best Buy, will move into the newly created position of VP/marketing for services.