Radiance Technologies has named KAY KIENAST chief marketing officer, MIKE CASTLE vice president of business development, and MIKE CATALANO vice president of engineering.

Klipmart Corporation has opened an office in London to be helmed by BECCA RATCLIFFE, who worked at Klipmart in New York several years ago and recently left Grey London where she served as account manager.

BILL BINAN has joined AllBusiness.com as eastern sales director. Binan joins the company from Vibrant Media where he was senior sales manager. ANNE MARIE ST. JOHN-BROOKS has been named western sales director.

STEVE HORN has been named central region sales manager at Mountain Sports Media. Most recently, Horn served as a sales executive for MNI Time Inc. Prior to that, he was a national sales executive for USA Today.

GINA BARRON has been promoted to vice president of client development at MoreVisibility.

TBWA Worldwide has opened a Media Arts Lab. The new group will be led by JAMES VINCENT as president and DUNCAN MILNER as executive creative director.

CHRIS NEIMETH has been named senior vice president - publisher of Salon Media Group. Neimeth will oversee all of Salon’s advertising sales and business operations efforts. He joins Salon from InterActive Corp., where he most recently served as president, IAC partner marketing.

PETER NAYLOR has been named head of NBC Universal Digital Media Sales. Naylor will oversee all company-wide digital media sales. Most recently, Naylor was senior vice president of sales for iVillage, overseeing the activities of the sales team, driving new partnerships and advertising revenue opportunities for the company.

STEVEN C. STEIN has joined TACODA as manager of northwest advertising sales and HEDIEH DOFFO has joined the company as sales development manager. Stein joins TACODA from ValueClick, where he worked as an account executive and Doffo also joins the company from ValueClick, having served as a senior account manager.

Gemstar-TV Guide International has appointed ALAN COHEN executive vice president and chief marketing officer. Cohen most recently served as chief marketing officer for online music company, Napster. Cohen will be responsible for brand management, licensing and merchandising, and corporate research. He will work closely with the marketing teams at the various Gemstar-TV Guide divisions in the development of the corporate brand, and in the formation of strategic marketing partnerships that will operate across platforms.