Welcome, Jona-Marie Winkler!

From this week on, Jona-Marie will support us at WagArb as trainee advocate and we bid her a warm welcome!

Jona studied law at The Martin Luther University of Halle-Wittenberg and is currently enrolled in the mandatory two-year lawyers trainee program aka Referendariat. She also holds a Master’s degree in business law and economic law from the University of Halle and spent a semester abroad studying at Southwest University of Political Science and Law in Chonqing, China.

Her recent professional experience includes working for an international law firm in Hamburg and as student assistant to Prof. Winfried Kluth in Halle. She is a past participant of the Frankfurt Investment Arbitration Moot and speaks English and German with basic knowledge in Spanish, French and Mandarin.

She will be among the first trainee advocates in Germany to type their second state exam on a computer, as Saxony-Anhalt as first German Bundesland has introduced the “ditgital bar exam” for future generations of attorneys.


Tanya Verma

Tanya Verma is an Indian qualified lawyer currently pursuing a Master’s degree in International Dispute Resolution at Humboldt-Universität zu Berlin. She obtained a degree in Bachelor of Business Administration and Legislative Law from a renowned university in India. During her five-year tenure in law school, Tanya had the opportunity to intern under esteemed designated Senior […]

Pablo Ortega Krstulovic

Pablo Ortega Krstulovic is a Chilean-qualified lawyer who joins us as a visiting professional from the new class of the IDR LL.M at HU. He grew up in Arica, Chile and completed his legal education at the University of Chile in Santiago. Before moving to Berlin, Pablo gained experience as an associate lawyer at one of […]

Diego Melendez Hirezi

Diego Melendez Hirezi is a Salvadorean-qualified lawyer. He graduated from the Superior School of Business and Economics of El Salvador. Currently, he is a student in the International Dispute Resolution LL.M program at Berlin Humboldt University. For more than five years, he worked as an associate in the litigation and arbitration department of Arias Law, a […]

About Wagner Arbitration

The law firm WAGNER Arbitration has its offices in Berlin and specializes in dispute resolution with a focus on arbitration. In addition, the firm offers comprehensive counseling services related to domestic and international business disputes and transactions.