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Board of directors
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The team
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Audiconsult is a human-sized company that combines professionalism in conducting its business with the flexibility of a human-sized company.

A prompt personalised service is provided in a completely independent manner to companies as well as to individuals.


The rigorous approach adopted in our work entails strict compliance with existing regulations.

We place your interests at the centre of our concerns and we accordingly take our work seriously.


In order to earn and keep your trust, we take great care to treat your requests confidentially and with the utmost discretion that is essential for conducting our business activities.

Board of directors

Board of Directors

Nabil Jean Sab

After obtaining a university degree in economics and going on to study financial analysis and asset management, Nabil Jean Sab began his professional career in the area of auditing as well as mergers and acquisitions at Atag Ernst & Young, Geneva.

He subsequently held the position of Director at the AAM Privatbank (formerly a member of the Ernst & Young Group, Switzerland) for fifteen years.

In 2010, he founded a securities trading company and simultaneously also held the office of director in various financial and banking institutions in the Geneva financial centre.

Roland Burger
Chief Executive and Managing Director

Roland Burger holds the offices of Chief Executive and Managing Director at our fiduciary company Audiconsult and will be your contact person and partner.

He holds a Swiss federal certificate as a fiduciary agent and a diploma in public accounting, specialising in bank audits. He is a qualified auditor accredited by the Federal Audit Oversight Authority and also has specific authorisations to audit banks and securities dealers in accordance with the CISA (fund and investment managers).

He has a wide experience in auditing and advising companies in the financial sector and SMEs. He has extensive professional experience of over 30 years at the Big 4 firms and at leading audit firms such as BDO where he spent more than 20 years as a financial services manager and a member of the Board of Directors.

Roland Burger speaks German, French and English fluently.

The team

The team

Rafael Devecchi
Tax Director

A graduate tax expert with a Masters in Economics, Rafael Devecchi has worked in banking, tax administration, a law firm and in two of the Big Four.

Rafael Devecchi advises natural and legal persons in Switzerland and abroad. He has specific expertise in corporate restructuring and estate planning issues.

He now has more than twenty years of experience in tax advice and is fluent in French, English, German, Spanish and Italian.

Anatoli Ryjkov
Accounting Manager

Anatoli Ryjkov has a Bachelor’s Degree in Business Management from the University of Geneva.

He has extensive experience in the fields of treasury and business management.

He worked for an international trading company for several years and managed local and international clients.

Anatoli Ryjkov speaks French, English, German and Russian fluently.

Daria Dubova
Audit Manager

Daria Dubova is a Fellow of the Association of Chartered Certified Accountants (FCCA). She has many years of international experience in finance and controlling with multinationals in Russia, Hungary and Switzerland.

Since joining Audiconsult, she has completed numerous assignments for trading companies, holdings, foundations and non-profit organisations.

Daria Dubova speaks Russian, English and French fluently.

Jessica Brunner
Senior Legal and AML Compliance Officer

Jessica Brunner has a Master’s Degree in Swiss Law, specialising in Commercial Law and Taxation of Assets.

She has several years’ experience at the law firm Schellenberg Wittmer SA in Geneva.

She manages all the legal aspects and AML compliance at our trust company. She speaks French, English and Russian fluently.