Yann Clerc Manager – Audit Industry, Services, Institutions Geneva +41 22 718 41 58

Yann Clerc is a manager in the area audit industry, services and institutions in Geneva and Lausanne.

Professional experience

Yann Clerc has more than six years of experience in the field of auditing.
During this time, he has served a wide range of clients both local and international, spanning from small organisations to large international corporations, as well as non-profit organisations.
Before joining Grant Thornton in 2019, he spent five years working for one of the Big Four in Geneva.
Yann Clerc has acquired a wealth of experience in annual account auditing in line with the Swiss Code of Obligations (CO), Swiss GAAP FER, IFRS and US GAAP, as well as the auditing of internal control systems and SOX regulations.

Professional qualifications and memberships

Yann Clerc is an audit expert licensed by the Swiss Federal Audit Oversight Authority and a Swiss-certified accountant.
He holds a Bachelor’s degree in Business Economics from the Geneva School of Business Administration (Haute école de gestion de Genève).
Yann Clerc is also a member of EXPERTsuisse and its Section Geneva.


In addition to his native language of French, Yann Clerc speaks fluent English and has a working knowledge of German.

  • Audit expert licensed by the Swiss Federal Audit Oversight Authority
  • Swiss-certified accountant
  • Bachelor’s degree in Business Economics
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