Willem van Baren practices since 2016 as independent international arbitrator. He has been actively involved in more than 100 arbitration cases as party-appointed arbitrator, chairman, sole arbitrator, emergency arbitrator and expert under the major arbitral institutions and arbitration rules (CEPANI,  ICC, LCIA, NAI, SIAC, UNUM, WIPO) and governed by various procedural and substantive laws. Until his retirement, he was a partner in Allen & Overy’s dispute resolution practice. In 2009, he became a CEDR accredited mediator. 

Willem has been involved in arbitrations concerning State-entities and private entities, often multi-party, and spanning a multitude of sectors, such as banking, corporate transactions, finance, energy,  construction, infrastructure, insurance, shipbuilding, offshore, oil & gas, industrial manufacturing, pharmaceuticals, transportation (aviation, marine), solar power plants and wind parks and relating to diverse legal issues, such as investment, distributorship, joint ventures, partnerships, contract  termination, post-M&A, sales of goods and shareholdings. He conducts arbitrations in English and Dutch and has working knowledge of German.