Demetria O'Sullivan

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Demetria O'Sullivan
Occupation Director
Employer The Artington Partnership Limited
Location London
LinkedIn Profile

Demetria O'Sullivan is a director of The Artington Partnership Limited in London.

Previously, she was the chief risk officer for the London-based clearing business of NYSE Euronext.[1] She assumed the position on Dec. 3, 2012, and reported to Mark Ibbotson, chief executive of NYSE Liffe for clearing, trading and regulation.[2] NYSE clearing intends to launch a revamped NYSE clearing platform in June of 2013 to expand its existing clearing business.[3]

She was previously global head of risk for futures and over-the-counter clearing at Citigroup.


O'Sullivan joined Citi in June of 2011 to help build the bank's OTC derivatives client clearing platform, reporting to industry veteran Jerome Kemp, head of exchange-traded derivatives sales and clearing at Citi.


O'Sullivan has a bachelor of science in Actuarial Mathematics and Statistics from Heriot-Watt University.[4]


  1. Financial News: NYSE Picks Citi Risk Chief for Clearing Project.
  2. Nyse Clearing Names Demetria O'Sullivan Chief Risk Officer.
  3. NYSE Euronext hires chief risk officer at London clearing house. FTSE Global Markets.
  4. Demetria O'Sullivan. LinkedIn.