The Board

Julie GUTH



As a President, Julie organizes and takes part to events, identifies partnership opportunities and cultivates strong relationships to develop ORAJe outreach.


Julie is system and engine control engineer at Safran Aircraft Engines. She is working on the whole engine system lifecycle: her main activities are related to design, test, verification and in-flight events monitoring in order to ensure technical and economic performances required for operation.


Prior to joining Safran Aircraft Engines, Julie made her end-of-study project in ATR Propulsion Department. She also made an internship for AAA on the A380 Final Assembly Line in Toulouse where she was the head of a lean project linked to optimization of various processes.


Julie holds a master’s degree from ESTACA where she specialized in Propulsion Mechanical Engineering. She is also following an international program in Corporate Finance from HEC Paris in order to complete her multidisciplinary profile.


Julie has always been fascinated by aeronautics. She started to flight at the age of 14 and obtain her private pilot license at 17. Travelling is also one of her passions; she likes discovering new countries, new cultures and different way of thinking.


Etienne BOBIN

Vice President


In May 2017, Etienne Bobin was appointed to the Board of ORAJe as Vice President.


Etienne joined Safran Aircraft Engines in July 2016 as mechanical engineer on the LEAP – Controls & Accesorie CoE. In June 2017, he was named Technical Leader to manage the new engine developments including supplier’s relation relative to the LEAP Kit Engine design office service.


Etienne acquired his initial experience at Europropulsion Kourou (European Space Center) working on Ariane 5 Boosters igniters. Then, he joined Airbus Defence and Space where he made pyrotechnical tests for the submarine-launched ballistic missile M51, deployed with the French Navy. In 2015, he made his end-of-study internship within Airbus Toulouse where he studied industrialization though the deployment and monitoring of means of production for the A350XWB among Europe.


In 2015, he was finalist of the USAIRE Student Awards and got involved in the association (website, communication and events). In 2016 he became member of the Armée de l’Air citizen reserve force and also taught aeronautics courses in high school (BIA).


A native of France, Etienne hold a Master Degree from ESTACA in Propulsion Mechanical Engineering including a semester (B. Ing) at ETS Montréal. He is also following an International program in Corporate Finance from HEC Paris.




In May 2017, Michael Tiberghien was appointed to the Board of ORAJe as Treasurer.


In order to write his Master thesis, Michaël will join Airbus commercial Aircraft in July 2017 within structural repairs on A350XWB in Hamburg plant. His double degree ESTACA-ENSMA Master in Structure aerospace gave him some keys to understand the technical issues with the new Aircrafts generation using advanced materials. As concerned by the climate change, he followed the Airbus chair and got the certificate at ISAE-Supaero Engineering school for "Aircrafts and environment".


In 2013, he was involved in the lean manufacturing development for equipment of the A350XWB wings, production, with Airbus Bremen. Then, in 2014, he accomplished an internship with Latécoère Aeroservice practicing maintenance on narrow-body aircrafts. After these two internships, he decided to spread his passion with his schoolmates and took part of the aeronautical association, at ESTACA, as treasurer. In 2015, with Marie Petrequin, they have been awarded by Tom Enders thanks to their first prize of the USAIRE Students Award. The same year, he achieved an experience in physical integration management for A350XWB in Hamburg. The contest 2015 permits him to visit Rolls-Royce plant in Singapore, this was one of its best experience with ORAJe. 


Alexandre PERRA

Honorary President


Alexandre Perra, thirty-four years old, graduated from the Institut d'Etudes Politiques de Paris IEP in Paris, holds a master's degree in modern literature from the University of Paris-IV.


In 2006, he joined the strategy department of Thales before assuming responsibility in 2008 for Thales International's communication.


Since 2013, he has been Deputy Director of Communications for Thales, responsible for media relations and international communication. He is now secretary of EDF Executive Committee.


Alexandre is also the winner of the first edition of the USAIRE Student Award.


Miriam Marvani

General Secretary for ORAJe since 2015


Miriam studied foreign languages in Italy then she came to France in 2008 where she first worked at the front desk of Nokia Siemens Networks to improve her French and English.


In March 2011 she joined the Paris office of Rolls-Royce International as Trilingual Assistant and since December 2015 Miriam is Corporate Affairs Coordinator.


One of the biggest interests of Miriam is travelling in as many places as possible.