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 and government to innovate. we work with dozens of citieses across the country and next year we should be w