WNYC's Data News Team helps infuse the public radio station's journalism with data reporting, visualizations, crowdsourcing and sensor projects. Keefe was WNYC's news director for nine years, has been an adjunct instructor at several NYC colleges and universities, and is an adviser to CensusReporter.org. He tweets at @jkeefe and blogs at johnkeefe.net. The team blog is datanews.wnyc.org.