Kay-Jannes Wegner joins Jones Day as Singapore partner

25 August 2025

Kay-Jannes Wegner joins Jones Day as Singapore partner

Kay-Jannes Wegner has joined Jones Day as a partner in the firm’s global disputes practice, based in the firm’s Singapore Office. 

Wegner has extensive experience representing clients in Asia and around the world in cross-border disputes in a wide range of sectors, including telecommunications, pharmaceuticals, construction, energy and infrastructure. In addition to serving as counsel in proceedings under the rules of major arbitration institutions, he has experience sitting as arbitrator in international disputes. Wegner has worked in London, Seoul and Singapore over his 25-year career as a lawyer. 

“Kay-Jannes is widely regarded as a market-leading figure in international arbitration, both in Asia and globally, and is both civil and common law qualified,” said Sion Richards, leader of Jones Day's global disputes practice. “His extensive experience across major arbitral institutions, combined with dual qualifications, makes him exceptionally well-placed to advise our clients and highly sought after as both counsel and arbitrator. His track record includes leading multijurisdictional teams in disputes exceeding US$500 million; managing complex technical and legal issues in construction, energy, and other commercial projects; and securing landmark victories in arbitration and parallel litigation.” 

At Jones Day, Wegner joins an integrated team of more than 200 global disputes lawyers, located in every major business center worldwide, who advise clients on how to successfully resolve high-value business disputes wherever they arise around the globe. He will work alongside his Jones Day colleagues to help clients with both litigation and arbitration matters in some of the most challenging jurisdictions in the world. 

“Kay-Jannes is a respected disputes lawyer across Asia and his diverse commercial arbitration experience includes jurisdictions spanning Asia, the Middle East, Europe and the United States,” said Sushma Jobanputra, partner-in-charge of Jones Day's Singapore office. “Singapore has firmly established itself as a premier center for international dispute resolution. We are pleased to welcome Kay-Jannes to our team – a strategic addition who enhances our depth and capability in both litigation and arbitration. His experience will further strengthen our ability to support clients in resolving complex cross-border disputes efficiently and effectively.” 


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