Lee Clow has been named chairman and chief creative officer of TBWA Worldwide. Clow, 55, previously had been chairman and chief creative officer of TBWA/Chiat/Day in Los Angeles. "Lee's appointment to chairman is in recognition of his leadership abilities and his skill and creativity in constructing business and brand-building solutions," said John Wren, president and chief executive of Omnicon Group Inc., TBWA Worldwide's New York-based parent. Clow's creative efforts include the "1984" ad and "Think Different" campaign for Apple Computer, Nissan's "Enjoy the Ride" campaign and the introductory "Air Jordan" campaign for Nike. TBWA Worldwide's client list includes Absolut, Sony PlayStation, Hasbro and Samsonite.