Haeri, (pictured) partner and co-head of Withers' respective international arbitration and Middle East groups and head of the public international law group, will be formally appointed at a ceremony in March.
Peter Wood, CEO of Withers’ dispute resolution division, said: ‘He has been an outstanding advocate and leader of the firm's international arbitration group for many years, contributing to our growing global reputation.
‘We are particularly proud that he is the only solicitor advocate to receive the accolade this year. I couldn't be happier for him.’
Haeri said he felt ‘honoured to have been recommended for appointment as KC and to join those distinguished by the recognition’.
The new silk has worked as counsel and advocate on arbitrations under all the major rules. His clients include governments, multinational corporations and international organisations.
He is a Senior Fellow at SOAS, University of London, and a Management Committee member of the SOAS Arbitration and Dispute Resolution Centre. He is also a faculty member at the University of Rome, Roma Tre University, Certificate Course in International Commercial and Investment Arbitration.