Aneto joins the digital agency from OMD UK, where he worked as a media director, heading the planning team on Vodafone's consumer activity.
Aneto will build and head an in-house communications planning team at AKQA, and is expected make a number of appointments in the coming months. He will work across accounts including Diageo and Microsoft.
Aneto said: "We're taking AKQA's pioneering spirit into all areas of media planning. Digital has fostered a faster, deeper adoption of cultural influences, while new content distribution channels have enormous potential."
The AKQA chairman and founder, Ajaz Ahmed, said: "We're very excited about Michael's appointment. His focus will be on media innovation, and ensuring that we continue to invest in the best people and communications planning systems."