SapientNitro hired Alison Garnett as creative director in Toronto. Previously, Garnett was creative director at Critical Mass in Toronto.

Arnold Worldwide hired Tristan Kincaid as creative director in New York. Kincaid most recently served as creative director at Ogilvy & Mather.

TRIS3CT promoted Paul Kuzma to chief idea officer, and Chris Cancilla to chief creative officer.

MEC hired Joe Kowan as practice lead, digital trading and activation.

Conversation hired Brian Murphy as manager of brand development.

Andrew Benett, currently Arnold Worldwide global CEO, was named global president of Havas Worldwide (previously known as Euro RSCG). Robert LePlae, previously Arnold Worldwide's global president, will now become its global CEO.

totallyher hired Rebecca Schmitt as vice president and general manager.

Voltari hired Michael Calleia as senior director of marketing.

Turn hired Max Ochoa as general counsel and corporate secretary.

Jonathan Kopp joined Glover Park Group as chief interactive strategist and managing director.