CityFi, and former CTO, City of ChicagoJohn Tolva is a co-founder of CityFi Advisors, a strategic consulting ﬁrm dedicated to enabling smart, sustainable decision-making for cities. Formerly John was the president of PositivEnergy Practice, an urban systems engineering ﬁrm based on data-driven planning for new building design, retroﬁts, and urban design. John’s career has focused on developing and applying technology to improve the urban environment. From 2011 to 2013 he was Chief Technology Ofﬁcer for the City of Chicago, leveraging technology to streamline public services through more efﬁcient data-sharing, digital communications, and next-generation infrastructure. He led the development of ‘The City of Chicago Technology Plan’, an initiative that sets forth a series of public-private strategies to accelerate economic growth, build educated and digitally-engaged communities and workforce, improve government services, and reduce costs through technology. In 2012, the White House recognized John as a ‘Champion of Change’ as part of a group of creative individuals engaged in building stronger communities through innovative approaches to problem-solving. Prior to joining the City, he was Director of Citizenship and Technology at IBM Corp, where he worked on the ﬁrm’s ‘smarter cities’ initiative, advising cities how to incorporate data analytics into planning and operations. John led the City Forward project, the ﬁrst global aggregator and visualizer of urban data sets. In 2006 he was honored as one of ’40 Under 40’ in the business community by Crain’s Chicago Business.