Glossary Artists, a management firm formed by former YMU and TalentX agents, has launched and has signed E! News host Keltie Knight and boxer Alycia Baumgardner. The company, which has been quietly operating since last year, also includes celebrity makeup artist and creative director John Barnett, 5 Seconds of Summer guitarist Michael Clifford, author Jenn Lueke, and celebrity celebrity actresses Vanessa DelMuro, Kimberly Duman, Amanda Erwin, Haley Henning, Amber Howard and Deanna Ritter. The firm is led by several agents with significant experience in the space.