As a longtime sports writer at Newsday in New York, he won national newspaper awards for deadline, enterprise, and investigative reporting and broke ground in the coverage of athletes with disabilities for WeMedia’s award-winning website. In addition to freelancing articles for national magazines ranging from Time to the Sporting News, he coauthored The Official Illustrated NHL History. Rosner has also edited two national consumer magazines, including Neurology Now, the official patients’ magazine of the American Academy of Neurology.