AGENCIES
GSW Worldwide named Thomas Groves EVP, director of strategic planning. Groves joins the inVentiv company from Ogilvy Healthworld, where he held the same position, managing  a planning staff while working with account and creative teams to service clients including Johnson & Johnson, Roche and Allergan. 
Grey Healthcare Group named Dori Stowe EVP, director of digital strategy. Stowe joins the WPP agency from Tribal DDB, where she was president of the global digital healthcare network, leading the network’s interactive healthcare efforts in 35 offices throughout 29 countries. 

MEDIA
DLife, the multimedia network for the diabetes community, named Gregg Zergas COO of its integrated media network. Zergas joins the LifeMed Media company from iVillage Properties, an NBC Universal/GE firm where he was SVP/general manager of the digital health business, including web portal Your Total Health, health media and production company Healthology and two in-hospital TV networks, The Newborn Channel and The Patient Channel.