Mark Rosenberg, one of the nation’s top authorities on gun violence and public health, was the founding director of the National Center for Injury Prevention and Control at the Centers for Disease Control and Prevention. In that era, Mark Rosenberg was the founding director of the CDC’s National Center for Injury Prevention and Control and his agency, over time, was pivotal in helping to fund research on gun violence and public health. “The US government, at the behest of the gun lobby, limits the collection of data, prevents researchers from obtaining much of the data that are collected and severely restricts the funds available for research on guns,” he wrote.