ATMEA General Management

ATMEA headquarters in AREVA Tower, Paris La Défense


The ATMEA Company’s projects are governed by the General Management team and Board of Directors. Our governance structure involves the participation of ATMEA team members, as well as representatives from our parent companies AREVA and Mitsubishi Heavy Industries (MHI).

Benoit Blassel President and CEO

Benoit Blassel, President and CEO

Benoit Blassel joined the AREVA group in 2008 after graduating from the French National Institute for Nuclear Science and Technology.

In 2008, B. Blassel joined to the Competitive and Standard EPR project, and supported the technical advisory committee of the ATMEA Basic Design project in AREVA NP.

In 2011, B. Blassel joined the ATMEA Company as Configuration Manager, coordinating design evolutions in the frame the Generic Detailed Design project, the Safety Options Review by French Safety Authority and the bidding process in Jordan.

From 2012 to 2016, B. Blassel was nominated Deputy Project Manager for the Generic Detailed Design project of the ATMEA1 reactor, coordinating the different engineering teams of AREVA NP and Mitsubishi Heavy Industries.

Since September 1st, 2017 Benoit Blassel has been appointed by the ATMEA Board of Directors President and Chief Executive Officer of ATMEA Company.

Yoshiki Ogata Deputy CEO

Yoshiki Ogata, Deputy CEO

Yoshiki Ogata is of Japanese origin and earned a Master of Nuclear Engineering in 1983 from The University of Tokyo. In the same year, he joined Mitsubishi Heavy Industries (MHI), a company at which he would work for more than three decades.

Mr. Ogata began his career as Water Reactor Engineer. He was assigned as Engineering Manager for Japanese new nuclear power plant construction project in 1996, and then took a leading role as Deputy General Manager for that project in 2006 including application for licensing permissions, basic design and construction plan.

In 2008, as General Manager of APWR Promoting Department, he supervised several projects for promoting the reactor of US-APWR into the United States such as the application for Design Certification to NRC, the technical support for promotion to new customers, the support US customers to apply for combined license, and so on.

In 2013, Mr. Ogata served as Executive Vice President of Mitsubishi Nuclear Energy Systems, Inc., USA.

In 2014, he became Director of Global Nuclear Project Department of MHI to supervise the Turkey and Vietnam Projects, US-APWR and EU-APWR licensing activities and any other technical support for promotion to new customers.

Mr. Ogata was engaged in general management of ATMEA1 technology as Senior Chief Engineer at the beginning of 2015.

Mr. Ogata joined the ATMEA Company in 2015 and is currently Deputy CEO.

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