. >> hello,ishv. my name is ian kalen, hottved by the department of energy and i support thuous us chief technology officer todd park who is not the cto, but assistant to the president. >> and i'm peter hirschberg, run publicly a dozen hack-a-thon, [speaker not understood], build apps and explore what's possible. >> i'm chris, the co-founder and ceo of 100-plus and we use data from many different sources to try to help people be more healthy in their daily life. >> hi. [speaker not understood]. we're a mapping and location-based analytics platform. and we are working with open data and trying to see how we can turn data into information, data into knowledge, and the kind of decision products. >> hi, i'm john, ceo of motion loft. we're trying to understand how people move around cities and provide that data to the public to build new tools for public safety. >> hi, i'm [speaker not understood] with code for america. we're a peace core for geeks. we're trying to bring talent from the private second for