What is the fine-grained topic of the following text: Previously, Mr. Gullo served in a number of roles at TechnipFMC plc, including as Chief Financial Officer, Technip Stone & Webster Process Technology, Inc. since August 2013, as Chief Financial Officer, Technip USA Inc. from January 2012 to August 2013 and as Vice President — Finance, Technip USA, Inc. from March 2009 to December 2011. Only return the topic.
Mr. Gullo's career roles at TechnipFMC plc.