Laurens Valk is a member of the MINDSTORMS Community Partners who help test and develop new NXT products. He has been inventing robots with the MINDSTORMS NXT sets since their introduction, and one of his robot designs appears on the NXT 2.0 packaging. Valk is a co-author of "LEGO MINDSTORMS NXT One-Kit Wonders" (No Starch Press) and a contributor to The NXT Step Blog ( He lives in the Netherlands where he teaches robotics.