LAWYER PROFILE

Stefan Riegler

Europe 2026

Wolf Theiss

Ranked in 1 practice area

Arbitration

Austria

2 years ranked

About

Provided by Wolf Theiss

Practice Areas

Stefan Riegler heads the firm-wide Disputes practice of Wolf Theiss. He specialises in advising companies on commercial disputes, especially in the energy, construction and infrastructure sectors; he is also experienced in handling corporate, post-M&A and banking disputes. Stefan has acted as counsel and arbitrator under major arbitration rules as well as in ad hoc arbitration proceedings. In addition, he advises on private enforcement issues.

Career

Partner at Wolf Theiss.

Professional Memberships

VIAC (Board Member), ArbAUT (President of the Board 2022, 2023), Head of Austrian delegation at ICC Commission on Arbitration and ADR.

Publications

In the field of arbitration, publications include "Austria" and "Vienna Rules" in "World Arbitration Reporter", Juris Publishing; "Austria" and "Taking of Evidence" in GAR's Guide to M&A Arbitration; "Applicable Law in Investment Treaty Arbitration" in GAR's Guide to Investment Treaty Protection and Enforcement; "Special Issues Arising when Taking Evidence from State Parties" in GAR's Guide to Evidence in International Arbitration; "Arbitration Law of Austria: Practice and Procedure", Juris Publishing.

Personal

Vienna Bar; University of Vienna (Dr.iur.); London School of Economics and Political Science and School of International Arbitration (LL.M.).

Chambers Review

Provided by Chambers

Chambers European Guide

Arbitration - Austria

Band 1

Individual Editorial

Stefan Riegler operates a highly regarded arbitration practice. He covers a range of mandates, including investment and commercial arbitration relating to the energy and transport sectors. He is well placed to guide clients through VIAC, ICC, ICSID and ad hoc arbitration proceedings.

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Strengths

Provided by Chambers

Stefan Riegler is very good at anticipating what the key issues are and what the other side may argue. He thinks through all the issues and ensures we address them all in detail.
ArbitrationChambers European Guide
Stefan Riegler is extremely smart and really well prepared. He always focuses on the client.
ArbitrationChambers European Guide
Stefan Riegler stands out. He is highly skilled and accomplished, as well as being an outstanding and to-the-point practitioner who is highly solution and decision-oriented.
ArbitrationChambers European Guide
Stefan Riegler is one of the best arbitration lawyers in Austria. He is very commercial and strategic in resolving disputes.
ArbitrationChambers European Guide
Stefan Riegler is good at thinking ahead strategically and has very strong communication skills. It is a pleasure working with him.
ArbitrationChambers European Guide