Sergii Lutai works with Silverlight application development since first days of technology appearance. He is expert in technology. Sergii is Head of Silverlight Applications Development Dept. in Digical Cloud Technologies (DCT) company. Also he consulates clients and partners of company in Silverlight technology. He is Microsoft Certified Trainer and mentor for students in "Imagine Cup". He is active member of .Net user group and one of the most active members of Silverlight community in the world.