MEC China named Thomas Nolsoee as chief strategy officer.

Campbell Mithun named Giles Martin as director of analytics and marketing accountability.

Big Spaceship hired Alasdair Lloyd-Jones as partner and chief operations officer. Prior to joining Big Spaceship, Lloyd-Jones was co-president and chief strategic officer at Cutwater.

Anna Catlett has been promoted to vice president of client services at R&R Partners. Michelle Mader was promoted to the new position of vice president of operations.

MEC Canada named Derek Bhopalsingh vice president, managing partner of MEC Interaction. Prior to joining the agency, Bhopalsingh served as digital group director of strategy at OMD Canada.

TBWA/Chiat/Day Los Angeles hired Karl Dunn as creative director. Dunn will be partnering with fellow creative director Tito Melega on Nissan.

Publicis Worldwide named Jeremy Holden as chief strategy officer of Publicis New York.

Sociocast hired Scott Hoffman as chief operating officer.

Marcus Thomas hired King Hill, John Katila, Ian Verschuren and Scott Chapin as senior vice president/digital strategists.

Gyro hired Kenneth Hein, most recently director of communications at JWT New York, as marketing director.