Complex sentence: Zakarin then turned back to more traditional media in producing, directing, and representing movies for a company he co-founded called Creative Light Media, which operated from 1998 until 2006, distributing and producing independent films, some of which Zakarin wrote, produced, and directed.
Split into simpler sentences: Zakarin then turned back to more traditional media in producing, directing, and representing movies for a company he cofounded called Creative Light Media. That firm operated from 1998 until 2006 distributing and producing independent films, some of which Zakarin wrote, produced, and directed.