Ms Marion Leslie has a degree in the administration of companies specialised in French and German translation and interpreting from the University of Salford (1992) and holds a Postgraduate Certificate in Education in French and German from the University of Cambridge (1994).
Until her appointment in 2016 as Executive Director of Corporate Business at Refinitiv (formerly Thomson Reuters), she has held various executive positions within Thomson Reuters, which she joined in 1994.
Thus, among other positions at Thomson Reuters, she has held various roles in the Reuters Data Operations segment from 1994 to 2000, has been responsible for EMEA Operations from 2000 to 2003, Executive Director at the Board of Reuters Indicates
Private Lts and Senior Site Manager at Reuters Bangalore from 2004 to 2007, Global Head of Fixed Income and Contributions from 2007 to 2009, Global Head of Sales and Content Marketing from 2009 to 2010, Global Head of Instruments and Pricing from 2011 and 2013 and Executive Director of Regulation, Pricing and Reference Services from 2013 to 2016.
Likewise, from 2008 to 2017 she was Chair of the London Women's Forum, which is a network of women with professional experience in financial services and a business promoter of Thomson Reuters Global Business Leaders Programme.
Since January 2020, Ms Marion Leslie has held the post of Head of Financial Information at SIX GROUP AG.
Additionally, she has been an external Director of UK Hydrografic, Ministry of Defence Trading Fund since 2015 and a Trustee at Prostate Cancer UK since 2016.