MBAER Bank - The Swiss Merchant Bank

The Bank with a Soul

Dr. Marcel Aellen

Dr. iur., Attorney at Law

Marcel has been Chairman of the Board of Directors of MBaer Merchant Bank since September 2020 and was previously Deputy Chairman since December 2018.

He specializes in the areas of regulation and supervision as well as audit, risk control and compliance.

He advises MBaer Merchant Bank internally in its dealings with the internal audit department, with the statutory audit company and where necessary with the Supervisory Authority.

Key professional milestones

Expertise in financial market regulation

Marcel was a partner in the law firm Bratschi AG until the end of 2020; since January 2021 he has been working in his own law firm "Advokatur Aellen" in Bern.

As an independent advisor, he takes on selected mandates in the areas of:

  • regulation and compliance with financial market law for banks and financial intermediaries
  • supporting banks and financial intermediaries in their dealings with the supervisory authorities

He regularly writes articles for publication and also speaks on his specialist areas of interest.

Management role at the Federal Banking Commission

Previously, Marcel worked for over two decades at the Federal Banking Commission and FINMA, first in the legal department and later as head of the stock exchange supervisory body. In this role, his responsibilities included:

  • regulating banks, securities traders and other financial intermediaries
  • regulating stock exchanges and clearing and settlement processes
  • management and supervisory procedures

Marcel has also worked at the Swiss Holdings Federation on capital and financial market regulation, at the law company Leu & Aellen and at KPMG.


  • Dr. of Law, University of Bern
  • Attorney at Law     
  • Studied Law at the University of Bern

Marcel speaks German, French and English.

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