Dr Stefan Riegler > Wolf Theiss > Vienna, Austria > Lawyer Profile

Wolf Theiss

Work Department

Dispute Resolution. Stefan specializes 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, such as the ICC, VIAC, DIS and Swiss Rules, as well as in ad hoc arbitration proceedings. In addition, he advises on private enforcement issues.




Stefan is Vice-president of the Austrian Arbitration Association (ArbAut), a member of the board of the Vienna International Arbitral Centre (VIAC), member of the ICC Commission on Arbitration and of various other international arbitration organisations, as well as being the author of numerous articles and publications on arbitration.

Lawyer Rankings

Austria > Dispute resolution: commercial litigation

Thanks to its strong cross-departmental cooperation, Wolf Theiss‘s dispute resolution practice is able to provide full-service litigation assistance, which is frequently called upon in a cross-border setting. Particular strengths include shareholder disputes, finance and insolvency-related litigation, unfair competition and product liability claims alongside litigation at the intersection with white-collar crime. The team’s client base is equally diverse and, while containing a large number of financial services providers, also includes clients from other sectors such as real estate, transport, healthcare and energy. Stefan Riegler heads the firm-wide dispute resolution practice and is best known for his arbitration expertise.

Austria > Dispute resolution: arbitration and mediation

(Leading individuals)

Stefan Riegler

Wolf Theiss



Wolf Theiss has cross-border work at its heart with a particular focus on the CEE and SEE regions. Counsel Venus Valentina Wong extends this geographical focus with expertise in acting for parties from Greater China, while counsel Emmanuel Kaufman, who returned to the firm in September 2021 from KNOETZL HAUGENEDER NETAL, is a key contact for disputes involving Hispanic parties. Kaufman has a focus on construction arbitration, which is an area of particular expertise for the team and is routinely led by Thomas Anderl. Other key sectors include manufacturing, infrastructure, engineering and energy, which corresponds with team head Stefan Riegler‘s sector focus. The practice handles arbitrator and party counsel mandates and is well versed in the major arbitration rules as well as in ad-hoc arbitration proceedings.