International Data Group promoted COLIN CRAWFORD to president & CEO of PC World Communications and Mac Publishing.

Scripps Networks hired DEANNA BROWN as president of its Interactive Group. Most recently, Brown served as the general manager of Yahoo! Media Group’s Lifestyles business unit.

MIKE BILLINGSLEY joined Return Path’s Authentic Response division as the vice president of sales. Billingsley most recently worked for Global Market Insite as managing director of sales and managing director of panels.

Medio Systems named GARY BEMBRIDGE, the former National Sales Director of MSN Sales, to the newly created position of head of US advertising sales. Bembridge will lead and grow an advertising sales team for Medio’s newly launched MobileNow Ad Network.

Hill and Knowlton USA hired CLAUDINE MOORE as US director, business development and marketing. Moore joins H&K from G2 where she was responsible for the corporate communications for G2 Branding and Design and G2 Promotional Marketing.

DANNY SEARLE was named chairman and chief creative officer of BBDO in Singapore. Searle is currently creative director at Clemenger BBDO Sydney.

BRUCECAMPBELL was named president, digital media, emerging networks and business development for Discovery Communications. Campbell will oversee worldwide business development activities for Discovery Communications including acquisitions, joint ventures and all major business transactions. Campbell is currently executive vice president of business development, NBC Universal.

VICTORIA QUOSS wasnamed executive vice president of programming, network strategy for the Tennis Channel and ROBYN MILLER was named senior vice president of marketing.

DANIELLE PERISSI was named vice president communications for the Time Inc. Business and Finance Network. She will be responsible for all communication and public relations activities for FORTUNE, Money, Business 2.0, FORTUNE Small Business and CNNMoney.com.

DAVID BLAIR EPSTEIN was named vice president, digital strategy at NBC Universal Domestic Television Distribution. Since 2006, Epstein has served as director of interactive for the division's entertainment newsmagazine "Access Hollywood" and AccessHollywood.com.