Karstenfromcity

Karstenfromcity is the lead designer from the CITY LEGO theme. He has 15 posts, 0 studs, and joined the LMBs on May 18th, 2011. He recently made a topic in the City Forum, called "MEET THE LEGO CITY DESIGNERS," saying that the City design team is constantly researching to make new City sub-themes, as well as making the current ones better. Another City designer that is on the MBs is Dairefromcity; they are both Officials.

Fun Facts:
Coincidentally, Karsten has the exact same avatar as both Legostudios34 and Wiktorsz.

Source
LEGO Message Boards