Dr. Alexander Rieger started as an indie developer in 1999 with photo effects for Windows computers, winning several awards over the years (http://www.graphics-tools.com). In 2012 he started developing Apps for iOS. Over 1000 photo effects and useful tools like "Paint My Wall" have been released since then (http://www.changemystyle.com). In 2016 he focused on Android Apps and has reached over half a million downloads with the light alarm clock "Gentle Wakeup" (http://changemystyle.com/gentlewakeup).