Dr Chern is pleased to accept appointments in all areas of arbitration either as the Chair of the Tribunal or as one of the party appointed members. To date he has been selected as arbitrator in over 625 references both domestically, in the United Kingdom, as well as in Europe, the United States, Canada, Hong Kong, South America, the Middle East, China, Japan, and Singapore both under institutional and ad hoc procedures.

The types of disputes on which he has served as arbitrator include main contract, subcontract and professional services disputes involving amounts up to EUR 2,500 million arising under traditional, design/build and concession contracts. It should be noted that in all of these matters no Awards have been set aside.

Additionally Dr Chern has served as sole arbitrator and on tribunals (as party-appointed member and Chairman) under ICE, ICC, AAA, UNCITRAL, LCIA and ad hoc arbitration procedures and is familiar with the arbitration rules and procedures of the ICE, ICC, LCIA, UNCITRAL, CIArb, CIMAR, HKIAC, RICS, and SIAC.