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Who's Who Legal
Who's Who Legal
Future Leaders

Future Leaders

Future Leader

WWL Ranking: Future Leader

Peers and clients say

"He's a first-class lawyer and thoroughly deserves inclusion in WWL"
"He knows his trade and is highly visible in the market"
"Sebastian is always a good counsel and the go-to person regarding discovery issues in a transatlantic context"


Dr Sebastian D Müller is a senior associate in King & Spalding’s international arbitration practice, based in the firm’s Frankfurt office. His practice focuses on commercial and investment disputes. He represents clients in domestic and international arbitration proceedings, in particular under the DIS, ICC, ICSID, SCC and Swiss Rules and in ad hoc proceedings, and enforcement actions as well as in alternative dispute resolution proceedings. He also sits as arbitrator.

Sebastian has particular experience in post-M&A, construction and financial matters, as well as in energy, commercial agency and joint venture disputes. As member of the firm’s data privacy committee, he also plays an active role in the firm’s international data, privacy & security initiative. He regularly advises clients in the context of international arbitration or investigations regarding German and European data protection and cross-border data transfer issues. He acts before German courts in international litigation cases and regularly assists in US discovery and deposition requests involving German entities.

From 2015 to 2018, Sebastian co-chaired the under-40 group of the DIS for the Frankfurt region. He is one of the co-organisers of the annual DIS40 Arbitration Alpen Think Tank and a member of the DIS’ tech literacy working group. He regularly publishes on dispute-related topics and speaks at conferences.

Sebastian studied in Heidelberg (Germany) and Leuven (Belgium). During his legal training, he worked with law firms specialised in arbitration in London, Frankfurt and Zurich. In 2011, he obtained a doctorate-in-law from the University of Heidelberg (Dr jur). He speaks German and English and has basic level Dutch and French language skills.

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