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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.

Joseph Riedweg
Founder – Director

Joseph Riedweg is the founder of Audiconsult. A certified public accountant and qualified auditor accredited by the Federal Audit Oversight Authority, he has more than 50 years of experience acquired at international trust companies, such as Ernst & Young, Touche Ross & Co SA, in Lucerne, Zurich, New York and Geneva.

Joseph Riedweg has transferred operations management and supervision to Mr. Roland Burger. He is continuing his professional activity as a director and accordingly remains in contact with his clients

The team

The team

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.

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.

Emilien Moreau
Tax Manager

Holder of a Master’s Degree in Business Law, he completed his education by graduating with an L.L.M. in Tax Law from the University of Geneva.

Emilien Moreau advises individuals and businesses in Switzerland and abroad. He has a particular expertise in Franco-Swiss tax issues relating to cross-border transactions and the mobility of individuals, which he developed at a Law Firm.

With his considerable experience in a Big 4 firm, he is also interested in wealth structuring issues as well as succession planning in an international context.

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.