in 2006, gelineau founded her own artist development company, the musebox, in new york city. the organization went on to work with over 200 acts, with offices in los angeles, new york, chicago, toronto, minneapolis, and ottawa. its focus was on developing the careers of emerging artists as well as assisting a small roster of legendary acts. clients included the human league, echo & the bunnymen, and royksopp. in 2010 the musebox merged with nyc-based magnum pr to offer both music and lifestyle branding services. gelineau relocated the company's headquarters to los angeles in 2012.