Rovio seems to be getting into the habit of changing CEOs. Today, on December 9, the company announced the departure of Pekka Rantala from the post of CEO.

Eric Flannum, responsible for the development of Guild Wars 2 and the creation of content in addition to the original Guild Wars, is now working on a PC game in the walls of Amazon Game Studios.

An American company with Russian roots – Sperasoft – took on the post of senior technical director of the former director of release management of Rockstar Games.

Frank Gibeau, who has held the post of executive vice president of EA Mobile for the past year and a half, has left Electronic Arts.

Electronic Arts veteran Adalberto Bruno (Adalberto Bruno) received the post of Vice President for Technology Services at Marmalade.

The head of the marketing department of the German company Wooga is leaving his post to work at Rovio as “vice president of user acquisition and engagement.”

Greg Zeschuk, co-founder of BioWare, has returned to the gaming industry as one of the leaders of the Canadian startup Biba Ventures. The company develops augmented reality mobile gaming applications for children’s playgrounds.

Microsoft CEO Steve Ballmer will leave his post within the next 12 months.