David is the original founder of XinCheJian, he had a space up with Niko way back in the autumn of 2010. David is a key figure in China for technology from OpenHardware to social media. He's brought a lot of visibility to the space and is key to bringing interesting speakers to our Wednesday event and having the hackerspace participate in various event. He's also responsible for the long and arduous negociations for the new space at Changle Road and Wulumuqi road. He's behind the creation of ardublock.com and the initiator of XCJ Hydroponics efforts.