Sparks & Honey named Sarah Davanzo as chief cultural strategy officer.
Spiro Mifsud joined Tribal Worldwide New York as head of technology.
Big Fuel tapped Rob FitzGerald as managing director, head of network services.
CP+B announced that Heather LeFevre rejoined the agency as group planning director in Miami. She comes to CP+B from StrawberryFrog Amsterdam where she was head of strategy and digital planning and led a global re-launch of Emirates Airline.
Perry Essig joined TBWA/Chiat/Day New York as global creative director on the Accenture account.
GumGum promoted Phil Schraeder to chief operating officer.
Joe McCann was named director of creative technology at Mother NY.