Rosenberg, a 2017 graduate of Coe, begins his first season as a member of the Kohawk coaching staff after a one year stint at Cornell. During his career at Coe, Rosenberg was a two-time NCAA national qualifier at 125 pounds while earning NCAA All-American honors in 2016 after an eighth place finish at 125 pounds. Prior to his college career, Jan was a two-time New Jersey state place winner, taking third in 2011 and 2012. He was ranked as high as ninth by Flowrestling at 106 pounds. Rosenburg scored a fourth-place finish at the 2012 FloNationals. A 2011 NHSCA Junior Nationals Champion at 103 pounds. He excelled in freestyle and Greco-Roman, earning All-American accolades in both styles at the 2010 and 2011 Junior Nationals in Fargo, N.D. He also placed third in freestyle and fourth in Greco-Roman in 2011. Jan had finishes of fifth in freestyle and third in Greco-Roman in 2010.