Wendel has been present in Luxembourg since 1931 through Trief Corporation. This subsidiary holds Wendel’s stakes in its unlisted companies through regulated investment funds (RAIF).

Trief Corporation S.A. / Winvest Conseil S.A.
5 rue Pierre d'Aspelt,
L-1142 Luxembourg

Tel Trief Corporation: +352 26 29 911
Tel Winvest Conseil: + 352 26 29 91 86


Claude de Raismes
Claude de Raismes
Head of Luxembourg (Winvest Conseil)

Claude joined the Group's investment team in 2009 as an analyst, became an associate and then investment manager. He has been a member of the Executive Board of Winvest Conseil since March 1, 2019 and was appointed Chairman in January 1, 2020. 

Claude is also secretary of the Investment Committee.

Previously, he had experience in financial auditing at Deloitte in Paris. He was then an analyst at UBS Investment Bank from 2007 to 2009 where he notably participated in the financing of leveraged buyouts (LBO).

Claude is a graduate of HEC business school and holds a master's degree in modern literature and a master's degree in econometrics.

Jean-Yves Hémery
Chairman of Trief

After working for government tax authorities for seven years, he moved to Pechiney in 1990, then to Wendel in 1993.

Jean-Yves Hémery graduated from the Ecole Nationale des Impôts in 1983 and has a graduate degree in economics.

Hervé Ruer
Compliance Officer / Corporate Secretary
Hervé Ruer joined Wendel in November 2018 us as Compliance Officer / Corporate Secretary in Luxembourg office. Among other activities, he is responsible of ensuring compliance notably with AIFM regulations and of monitoring corporate legal matters of our Luxembourg entities.
Hervé worked for more than 15 years as a notary public.
In addition of being graduated as a notary public, Hervé holds post graduate diplomas in litigations and wealth management completed with several trainings notably in compliance matters.
Bruno Duchesne
Accounting Manager

Bruno has worked for 15 years in France and Luxembourg in the financial sector for companies such as Eurazeo Services Lux and Mourant International Finance Administration.

He was lately acting as senior accountant in European Fund Administration in Luxembourg.
Bruno graduated a M.A. in Applied Management Science and a MBA in European Business from Coventry Business School (UK).

Hélène Delperier
Senior accountant
Hélène Delperier joined Stéphanie Chudeau’s team as a senior accountant, where her job will be dedicated to the accounting of AIFM companies.

After a first experience of 3 years as an external auditor with PwC, Hélène decided to pursue her career at MaplesFS in Luxembourg where she was in charge of daily accounting and reports.

Hélène holds a Master in Finance with a specialisation in audit and financial control from INSEEC Business School in Paris.

Catherine Magette
Senior Accountant
Catherine Magette is joining the Wendel office in Luxembourg in 2019 as a Senior Accountant. Since 2015 she has been working several times as a consultant at Mazars providing support to the Wendel accounting team.
Before joining Wendel, Catherine worked as Manager Assistant at Mazars FAS in Luxembourg. She has worked for more than 11 years in the outsourcing and accounting department. 
Catherine completed a training course as an accounting assistant in Belgium.
Mickael Scherer

Arrival of Mickael Scherer in Luxembourg as accountant under the supervision of Bruno Duchesne.

He had previously done several internships, in particular with CACEIS. Mickael holds a Master Degree in Finance, control and accounting from ESM IAE in Metz.

Julien Raso
Julien Raso joined Wendel as an Accountant and reports to Bruno Duchesne and Stéphanie Chudeau. 
Julien has been working for more than 10 years in Luxembourg in various international companies, among which SMBC Nikko Bank and Transcom Worldwide, both for general accounting and accounts payable. Julien graduated with a 2 years technical degree in accountancy
Pauline Dartevelle
Junior Jurist

Pauline Dartevelle joined the Luxembourg office where she supports the legal team as a Junior Jurist.

Before joining Wendel, Pauline worked as a legal officer at Fortrust Global in Luxembourg where she was in charge of the corporate management of a portfolio of companies. Previously, she has worked mainly in the bank industry in Luxembourg as a corporate officer. Pauline holds a Master’s degree in law from Catholic University of Louvain in Belgium.

Mélanie Saint-Charles
Office Manager

Trief Corporation S.A. / Winvest Conseil S.A.
5 rue Pierre d'Aspelt, 
​L-1142 Luxembourg
Tel. 00 352 26 29 91 88