The Brooklyn native, who hosted "The Combat Jack Show" podcast, was a former editor at The Source magazine and an attorney who represented Jay-Z, Damon Dash, Capone-n-Noreaga and Roc-A-Fella records, according to reports.
New York-based radio host Peter Rosenberg, of Hot 97's Ebro In The Morning, took to Twitter to confirm Reggie's passing. "Rest In Peace to the Legendary Combat Jack", wrote Joey.
'I got hit with some real life sh*t.
In October, Osse revealed that he was diagnosed with colon cancer on Twitter, saying that he had to be rushed to the hospital for surgery. In 2009, Ossé began writing under the Combat Jack moniker for his Daily Mathematics blog.
The specific circumstances of Jack's death are now unknown. I'm on the mend right now.
Reggie wrote: 'I'm about to jump on this journey to health with chemo and alternative medicine. Take care of your health. We're gonna keep doing this.
There was no better hip hop historian or interviewer than Combat Jack. Still, wanted to let y'all know the progress and my focus to #CombatCancer. He started his career in the legal affairs department of Def Jam's business and worked with top artists in the industry, Complex reported. Our hearts and prayers are with Combat Jack's family and friends.