Wasserman, a sports, music and entertainment agency, completed the acquisition of J1S Sports, an advertising services provider. Financial terms were not disclosed. “Michael is a serial entrepreneur with a relentless passion for serving the creator economy and its participants. He and his team will not only expand the suite of services we offer to our existing talent clients, but also allow us to start scaling across all aspects of the creator industry managing talent in their respective genres," Jason Ranne, Wasserman COO.