DinOt was topping his career right before the StarCraft 2 beta started achieving a lot for mousesports in both tournaments and clan wars. Iefnaij made a come back and also did very well in the TL Invitational, but now they both leave do to studies, lack of motivation and the cross server issues does not allow them to practice together with the rest of the team.
White-Ra will play under another tag for the upcoming three months as the streaming platform Duckload has asked mousesports to have White-Ra representing them and their E-sports section in any upcoming solo tournaments. White-Ra will still play for mousesports in clan leagues.

Links
mousesports.com - Source