The White Nights Conference
The White Nights Conference is an international cross-platform business trade show for the games industry. The White Nights event attracts influential game industry professionals and developers and takes place in June in St. Petersburg, Russia. The show receives 1,500 antendees from more than 35 different countries.
Industry-leading companies including ExoClick, King, Warner Bros., Supercell, Rovio, Wooga, Chillingo, Facebook, Big Fish, DeNA, Google, Microsoft, G5, Mail.Ru and many others will be attending.
More info here.