Omnicom’s DAS Group of Companies named Emma Sergeant as president of DAS Europe.

Steve Miller joined AdPeople Worldwide as executive creative director for North America.

AdTruth hired Martin Gilliard as general manager, North America.

Blue State Digital hired Kodiak Starr as creative director.

Scott Porter was named senior vice president, human resources, corporate, for Turner Broadcasting System.

Eyeball hired Nikki Bentley as executive producer.

Mashable hired Jenni Ryall as its Australia editor.

McCann tapped James Dawson-Hollis and Bill Wright as global executive creative directors.

CP+B acquired London-based global communications network, The House Worldwide. Additionally, Richard Pinder, co-founder of The House Worldwide, was tapped as CEO, UK and International.

Stardust added Mike Chiavetta to its digital team.