Reenie Askew, currently the deputy CIO for Houston, will take the top IT job in Charlotte, succeeding Jeff Stovall, who resigned last September.
Stovall, hired in 2008 to be the North Carolina city's first IT chief, is taking a job with a healthcare software firm.
The app, called "Happen," comes amid a flurry of efforts to boost the city’s sustainability efforts.
The nonprofit arm of Michael Bloomberg’s company now has 27 cities, representing 11 million citizens, targeted for support in using data to improve services.
Envision Charlotte, a North Carolina-based green initiative, is taking the sustainability movement from corporate burden to cost-saving strategy.