Treasurer
Marion Leslie
Head Financial Information at SIX
Marion Leslie is Head Financial Information at SIX and a member of the SIX Executive Board. She is also a member of the BME Board of Directors. As Head Financial Information, Marion leads the SIX global data business, serving financial institutions worldwide with critical data and insights to support their clients.
The British-Australian dual citizen brings a strong industry knowledge and more than 25 years of experience in developing and operating successful businesses in the Financial Information space. She holds a Post Graduate Certificate in Education in French and German from the University of Cambridge.
Marion was included in the World Federation of Exchanges “Women Leaders List 2021” and was named one of the 100 Most Influential Women in European Finance by Financial News in 2020. In 2017, she was nominated in the Cranfield University Female FTSE 100 Women to Watch Board Report and in 2014 was the winner of the Award for Achievement at the Women in Banking and Finance Awards.
In addition to this, she has been a Non-executive Director of the Board for the UK Hydrographic Office, since 2015 and a Trustee at Prostate Cancer UK since 2016.
Marion Leslie and her husband moved to Switzerland with their two children in January 2020.