Altenburger promotes Cécile Zumstein to counsel
Cécile Zumstein (pictured) becomes Altenburger’s new counsel, as of the firm’s latest promotion round, effective July 1st 2025. Alongside Zumstein, Syolene Fenaroli and Naomi Carrel have been promoted to a senior associate position.
Cécile Zumstein’s profile
A specialist in banking and financial regulation, Cécile Zumstein regularly advises financial institutions, in particular portfolio managers, family offices, trustees and managers of collective assets. Moreover, her advisory activity encompasses licensing procedures with supervisory authorities.
Zumstein’s expertise also spans national and international civil and commercial litigation and arbitration. She covers recovery and asset-tracing as well as international mutual assistance in criminal matters. Furthermore, she regularly advises on matters of white-collar crime and insolvency law.
Cécile Zumstein’s career
Cécile Zumstein started her career in 2010, as a legal trainee at B.M.G. Avocats. She then continued as an associate at the firm until 2014, when she moved to Pestalozzi. In 2018, she joined Altenburger for the first time, as a senior associate. From 2022 she worked at BianchiSchwald. In 2023, she made a return to Altenburger.
