She is in great demand as guest principal flute with all the major London orchestras and ensembles including the London Philharmonic Orchestra, Philharmonia and London Sinfonietta. In addition, Karen is principal flute of both the London Chamber Orchestra and the City of London Sinfonia and in 2014 was invited to play with the World Orchestra for Peace. She combines this with regular solo engagements, chamber music projects and commercial studio work including the film scores to Harry Potter, Sweeney Todd and Bridget Jones.
Previously having held teaching posts at the Royal Northern College of Music and Trinity College of Music, London, Karen has a busy schedule as one of the UK’s leading flute teachers giving masterclasses across the country, as well as coaching for orchestras such as the National Youth Orchestra and Kent Youth Orchestra. In 2004 Karen became a professor at the Royal Academy of Music.