OLSON named NOAH WILL as writer. He joins the agency from WONGDOODY Seattle.

AdOn Network named STEVE ARMSTRONG as president and CEO, replacing CHAD LITTLE. Armstrong served as vice president of operations & finance since 2003.

Avenue A | Razorfish named DARIN BROWN as the agency’s first chief strategy officer. Brown will lead the agency’s discipline areas, including analytics, strategy, technology, media, creative design, search, user experience and enterprise solutions.

GARY MARENZI joined Metro-Goldwyn-Mayer Studios as co-president of worldwide television, sharing overall responsibility for the division with JIM PACKER.

TNS Media Intelligence named DWIGHT GREEN as vice president, strategy and business development and MATTHEW SULLIVAN as sales director, eastern region for AdScope. In addition, WENDY NEWELL was promoted to vice president, western region sales and service and TODD ISAACSON was promoted to vice president, national interactive business development.

DAN CASSIDY was promoted from director of network development to vice president of media & strategic partnerships at Undertone Networks.

MARK TAYLOR was named Wunderman's first chief marketing technologist. Globally, he retains his role of managing the compliance, control and development of the agency's technology infrastructure. In addition, THOM KENNON was named vice president, account director (digital) on the Nationwide account and BOB ESTRADA was named account director (digital) on Chevron.

Carat Fusion promoted CHRISTINE PETERSON to media director of the agency’s New York office. Previously, Peterson served as associate media director.

JASON HINER was named executive editor at TechRepublic, responsible for leading its editorial department and writing the blog "Tech Sanity Check."

Connexion.a named ALAN OSETEK as executive vice president of sales and marketing. He most recently served as executive vice president at Isobar.