Arvanitakis will work with Richard Davies, the managing director of Vexed Digital, who founded GT. The pair previously worked together until 2005 when Davies left the agency to set up Vexed Digital after GT had been fully acquired by WPP. Arvanitakis started her career as a marketing director at GT in 1999. She was later promoted to managing director in 2003, and vice-president Europe in 2007. She left GT last May.
Vexed Digital has appointed Xanthe Arvanitakis, GT's former vice-president for Europe, to the role of chief operations officer.