President and Arbitrators

COIA has selected a team of independent experts who are specialists in a wide range of legal fields and industries. The team comprises our President and eight arbitrators. The members of the team have no stake in the company that is operating COIA (a subsidiary of Martens Rechtsanwälte). They have been selected with a view to safeguard integrity, quality of work, responsiveness and unparalleled experience in ex aequo et bono.

Bruno Simma (Judge) Bruno Simma

Bruno Simma

COIA’s President is a former ICJ judge and international law professor, as well as a highly-regarded arbitrator.

Ulrich Haas (professor and arbitrator) Ulrich Haas

Ulrich Haas

A professor and arbitrator whose wide range of specialty fields include civil procedure, corporate, insolvency and inheritance law.

Amani Khalifa (arbitration specialist) Amani Khalifa

Amani Khalifa

An arbitration specialist with a particular focus on building and engineering claims.

Stefan Kroell (arbitrator) Stefan Kröll

Stefan Kröll

An arbitrator, lecturer and national correspondent at UNCITRAL who is often cited as a top arbitration expert.

Stephan Netzle (commercial law specialist) Stephan Netzle

Stephan Netzle

A commercial law specialist with extensive practice in contract, corporate and transactions law.

Raj Parker (law professor and practicing lawyer) Raj Parker

Raj Parker

A specialist in general commercial and financial services dispute resolution with over 20 years in the field.

Klaus Reichert (international arbitration specialist) Klaus Reichert

Klaus Reichert

An international arbitration specialist who has handled numerous cases across a broad spectrum of complex subject matters.

Antonio Rigozzi (law professor and practicing lawyer) Antonio Rigozzi

Antonio Rigozzi

A law professor and practicing lawyer whose specialties include international commercial arbitration, sports and contract law.

Annett Romba (International arbitration lawyer) Annett Rombach

Annett Rombach

International arbitration lawyer at a leading international law firm, whose specialty fields include corporate and commercial law.


COIA’s Creators and Secretariat

COIA was established and is administered by the Munich-based law firm Martens Rechtsanwälte.

Martens Rechtsanwälte was founded in 2009 as a spin-off from the dispute resolution department of a large international law firm. The attorneys of Martens Rechtsanwälte act as counsel and arbitrators in national and international arbitrations. They also have extensive experience in ex aequo et bono arbitration, having developed and managing a court of arbitration that has, since its creation in 2007, handled more than 700 contractual disputes arbitrated ex aequo et bono in a specific industry (professional sports).