Rosalyn was appointed to the Board of LondonMetric in March 2014, becoming Chairman of the Audit Committee in March 2015. Until 2009, Rosalyn was Chairman of Ipreo Holdings LLC, the US-based financial data and solutions group formed following the merger of i Deal LLC and Hemscott Group Ltd. Before the merger, Rosalyn was Chief Executive Officer of Hemscott plc. Prior to this, she worked for Reuters Group, leaving the Company as Managing Director, Reuters Information in 1999. Rosalyn has held Non-Executive Directorship positions with Axa UK Limited, until September 2015, where she acted as Chairman of the Risk Committee, Scottish Widows, the London International Financial Futures Exchange and Optos Plc. She has previously served as a Senior Advisor to 3i Investments and Providence Equity Partners.