/Home/Asia-Pacific/Kay-Jannes Wegner
Kay-Jannes Wegner
Lawyers profile
Asia-Pacific 2026
Lawyers profile | Asia-Pacific 2026: Dispute Resolution: Arbitration, Dispute Resolution: International Firms
Kay-Jannes Wegner
Ranked in 2 Practice Areas
3

Band 3

Dispute Resolution: Arbitration

Singapore

5 Years Ranked

4

Band 4

Dispute Resolution: International Firms

South Korea

1 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Kay-Jannes Wegner

Asia-Pacific

Practice Areas

Kay-Jannes Wegner is a partner in Mayer Brown's Singapore office and is a member of Mayer Brown's International Arbitration practice. He has extensive experience in representing clients in cross-border disputes arising out of a wide range of sectors including construction, power projects, telecommunications, pharmaceuticals, and joint ventures.

Kay-Jannes is both German and English qualified lawyer and appointed to the KCAB and the SHIAC panel of international arbitrators as well as HKIAC list of Arbitrators.

Kay-Jannes is recognised as a leading individual in various legal directories including The Legal 500 and Chambers and Partners.

Prior to joining Mayer Brown, Kay-Jannes practiced international arbitration for over 20 years at leading international firms in London, South Korea and Singapore.

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Dispute Resolution: Arbitration - Singapore

3
Band 3
Individual Editorial

Kay-Jannes Wegner of Jones Day is an expert practitioner and has extensive experience advising on arbitration cases arising in the construction, shipping and engineering sectors. His diverse client portfolio covers a wide range of jurisdictions spanning Korea, China, Europe and the USA.

View ranking table

Dispute Resolution: International Firms - South Korea

4
Band 4
Individual Editorial

Kay-Jannes Wegner represents clients in arbitrations relating to construction, infrastructure, energy and defence. He is able to draw on many years of experience in South Korea as a member of a Korean law firm.

View ranking table

Discover other Lawyers at
Jones Day

Provided by Chambers
Filter by
Band

Australia

Banking & Finance: Acquisition Finance
3
Alastair Gourlay
3
Band 3
View Profile
Banking & Finance: Corporate Finance
3
Alastair Gourlay
3
Band 3
View Profile
Capital Markets: Securitisation
3
Benjamin Downie
3
Band 3
View Profile
Competition/Antitrust
4
Prudence Smith
4
Band 4
View Profile
5
Matthew Bull
5
Band 5
View Profile
Construction
2
John Cooper
2
Band 2
View Profile
Corporate/M&A
6
Hemang Shah
6
Band 6
View Profile
Dispute Resolution
2
John Emmerig
2
Band 2
View Profile
Employment: New South Wales
4
Adam Salter
4
Band 4
View Profile
Employment: Queensland
2
James Hall
2
Band 2
View Profile
Energy & Natural Resources: Mining
3
Tony J. Wassaf
3
Band 3
View Profile
Energy & Natural Resources: Utilities
4
Dan Howard
4
Band 4
View Profile
Environment & Planning
2
Elizabeth Wild
2
Band 2
View Profile
Intellectual Property: Patents
2
Lisa Taliadoros
2
Band 2
View Profile
Intellectual Property: Trade Mark & Copyright
4
Richard Hoad
4
Band 4
View Profile
Investment Funds
4
James Wood
4
Band 4
View Profile
Life Sciences
4
Lisa Taliadoros
4
Band 4
View Profile
Restructuring/Insolvency
1
Roger Dobson
1
Band 1
View Profile
Superannuation
2
Joanne Dwyer
2
Band 2
View Profile
Tax
1
Niv Tadmore
1
Band 1
View Profile
20 of 36 results