Mazars strengthens its international partnership

Roger Leu is a certified public accountant and Swiss licensed audit expert. With over 20 years of professional experience in auditing, he has extensive experience in auditing and advising international and medium-sized groups and, in particular, listed groups in the industrial and services sectors. Roger Leu heads the Audit and assurance team in the German-speaking part of Switzerland.

Stefan Müller heads the Banking & asset management sector at Mazars in Switzerland. He is a certified public accountant and a Swiss licensed audit expert and has over 10 years' experience in auditing and advising financial institutions, with a focus on banks, securities dealers and various institutions authorised under the Collective Investment Schemes Act (CISA). His expertise includes advising on various regulatory issues as well as processes and internal control systems (ICS).

Alejandro Sobredo has 20 years of experience in public accounting. Since 2014, he has specialised in the management of transnational mandates relating to the compliance of international groups. He is advising the finance and tax functions of international companies with complex organisations from different sectors, to meet their local and global obligations in an efficient way. Committed to deliver an outstanding quality to our clients, Alejandro contributed to the creation of Mazars’ Center of excellence (CoE) in Barcelona for Global compliance and reporting services in 2020. He has been in charge of the Mazars Geneva office since 2022.