She has conducted orchestras such as the Royal Philharmonic, Pittsburg Symphony and The Philadelphia orchestras. She has also led some of the world's great ensembles, including: Dallas Symphony Orchestra, Sydney Symphony Orchestra and Washington National Symphony Orchestra. Eímear founded Dublin International Game Music Festival, a major European game music festival and is an advocate for and mentor to creative women in tech and music.In 2016, Eímear conducted her own program, Video Games Classic, with the RTÉ National Symphony Orchestra. The program featured game music alongside the classics that inspired the game’s composers. As a primary conductor for Video Games Live Eímear has conducted in China, Brazil, Canada, Qatar, Europe, Mexico and Malaysia. Through her music on World of Warcraft and the expansion, Warlords of Draenor, Eímear’s music has reached over a 100 million people.