Mother London has promoted Brazilian creative team Ana Balarin and Hermeti Balarin to executive creative directors. The pair, who are married, will join the Mother London management team, working alongside managing director Sara Tate and joint heads of strategy Chris Gallery & Katie Mackay. They joined Mother as interns nine years ago, moving to London from Brazil. Creative partners Robert Saville and Mark Waites previously led creative at Mother London. In a statement, Saville said: "This is a big deal for Mother London. Handing creative leadership to a new generation is not something Mark and I do lightly."

The Martin Agency has named James Robinson as ECD of its New York office. Robinson moves from fellow McCann Worldgroup agency Two Fifteen McCann, where he was co-CCO. He joined Two Fifteen McCann in 2011 as creative director on Xbox. Under his tenure it became agency of record for Pandora, Hulu, Annie's Homegrown, and Workday while expanding its Xbox portfolio to include digital responsibilities for the brand.

McGarryBowen has appointed James Cheung as executive creative director, responsible for working on the agency's Chase account. Cheung joins from TBWA/Chiat/Day, where he was most recently global creative director on brands such as NBC Universal, Michelin, and McDonald's. Cheung was at TBWA for more than 10 years, formerly managing one of the agency's German offices, and serving as worldwide ECD on Nivea. During his career, he has worked on brands including Shangri-La Hotels, Levi's, Evian, Intel, Nissan, and Standard Chartered Bank.

BBH Asia Pacific has hired creative duo Kasia Kifert and Dawid Marcinkowski to work in its Singapore office. The pair -- originally from Poland and most recently based in London -- are known as the Kissinger Twins. Their work has included campaigns for Channel 4, Honda, Expedia, Philips, Clarins and Avon, as well as creating experimental interactive films such as "Sufferrosa", "The Trip" and "Forget Me Not".

Gyro has appointed David Harris as executive creative director of its London office. Harris has held ECD roles at agencies including Wunderman (leading Microsoft's business-to-business work) and most recently FCB, where he worked on Beiersdorf and Mondelez brands. He was also instrumental in co-founding the integrated agency Lida with M&C Saatchi, growing it from two to 60-plus people. He also serves as creative director of nonprofit END7, which campaigns for the eradication of tropical diseases.

360i has hired Emily Sander as creative director based in the agency's New York headquarters. She most recently served as creative director at Havas and was previously creative director at Translation, where she oversaw work for State Farm, including its "Cliff Paul" campaign with the NBA. She began her career at JWT in New York, where she developed campaigns for Smirnoff, Rolex, DeBeers and Partnership for a Drug Free America, and worked on a global product launch for Unilever.

Amsterdam agency Kingsday has hired Jeff Dunlap to work on its digital and social account for Nissan's UEFA Champions League soccer partnership. Dunlap was most recently head of campaign development at Staples and has previously worked at Havas Worldwide as global business director (with a focus on digital) for Volvo Cars. He has also worked at agencies including iCrossing, Arnold and Euro RSCG 4D.