Herr Dr. Sebastian Seelmann-Eggebert

Hanefeld Rechtsanwälte Rechtsanwaltsgesellschaft mbH

Brooktorkai 20
20457 Hamburg




Sebastian Seelmann-Eggebert acts as arbitrator and mediator in complex international disputes.

Sebastian is a leading arbitration expert with experience both as a mediator and as presiding or party-nominated arbitrator.
Before becoming a fulltime arbitrator and mediator, Sebastian advised and represented many global companies in high profile international arbitration proceedings. He also frequently acted as lead counsel in investor-State arbitrations.

Apart from numerous ICSID arbitrations, Sebastian has handled arbitrations under UNCITRAL Rules, SCC Rules, ICC Rules, DIS Rules, CEAC Rules, GMAA Rules and ad hoc rules. During his extensive practice Sebastian addressed many complex issues of international law as well as various commercial and public laws of countries such as Azerbaijan, Croatia, France, Germany, Russia, Switzerland, Thailand, Turkey and Ukraine.

Professional directories, including Who’sWhoLegal, Chambers and Partners, The Legal 500, Handelsblatt and Juve, consistently recognise Sebastian nationally and internationally as a leading expert in his field.

Sebastian has also taught courses on international arbitration in Kiel, Germany, and Zurich, Switzerland.

In recognition of his expertise the German government included Sebastian in the list of ICSID arbitrators and conciliators in 2013 and re-designated him to the list in 2019.

Prior to joining HANEFELD in 2023, Sebastian helped build and from 2007 to 2015 chaired and co-chaired the global arbitration practice of Latham & Watkins.
Sebastian speaks German and English.