In this webinar, hosted and moderated by Michael Tonkin FCIArb C.Arb and Pamela McDonald, participants will hear from a prominent, diverse and internationally experienced panel on what counsel, neutrals and expert witnesses want and need from each other. Speakers will explore the multifaceted influences that can affect the quality and useability of expert witness evidence in proceedings, particularly in arbitration and adjudication. They will offer practical insights and techniques they use to increase the effectiveness of expert evidence in ADR. 

Panellists will share observations from their extensive experience on management of expert witnesses, production of reports, joint processes, oral evidence and the core duties of expert witnesses in ADR proceedings. 

Speakers: Dr Franco Mastrandrea, Calvin Cheuk and Lucy Greenwood. 


The Ongoing Learning series is FREE for Ciarb Fellows: register now! This webinar will be moderated by Michael Tonkin and Pamela McDonald.

Please note, times listed are in GMT+1. This event is virtual only. 


The Ongoing Learning webinar will be followed by a Let’s Discuss event on 27 November discussing the same topic, register here. 

View the Events Terms and Conditions here.


* Valid for High-income and Upper-middle income economies as per World Bank classification.

** Valid for Low-income and Lower-middle-income economies as per World Bank classification.

Please view the World Bank list here.

Terms and conditions apply.

Ongoing Learning

This webinar is part of Ciarb's Ongoing Learning– a range of learning opportunities designed to help you deepen your knowledge and skills, and keep you informed and up to date. Look out for more information about Ongoing Learning in the coming months. Attendees will receive an Ongoing Learning certificate as part of this webinar, which counts towards 1.5 hours of CPD/CLE. Recordings will be available after the event. If you are unable to attend the live event, buying a ticket will still give you access to the recording. 

Event Speakers

Michael Tonkin FCIArb C.Arb

Michael Tonkin BSc DipArb DipICIArb FRICS FCIArb FCIOB FDBF MAE CArb is a Chartered Quantity Surveyor, Chartered Arbitrator, Chartered Builder, CEDR Accredited Mediator, RICS Accredited Expert Witness and testifying Expert Witness in quantum with 35 years of experience in the construction industry. He leads HKA’s Expert Services practice for the Middle East, Asia & Africa.

He acts as an expert witness in quantum and has been instructed around sixty-five times as a party appointed Expert Witness, a single joint Expert Witness and a Third Party Expert Evaluator on disputes up to US$4bn in value. He has given oral testimony in traditional cross-examination as well as concurrent evidence/hot-tubbing. Michael has acted as “Coordinating Expert” across several disciplines of expert. He is a Who’s Who Legal (WWL) Global Elite Thought Leader and has published various material on the role of the expert witness.

Michael has been appointed as Arbitrator on more than 60 occasions (as sole Arbitrator, Chairman of a tribunal of three, and Co-Arbitrator) under the auspices of ICC, LCIA, DIAC, ADCCAC and the TAI, and is a listed panel member form many institutions, including the Ciarb.

He also acts as dispute resolver in other ADR such as adjudication and DAB’s and is a member of the DRBF.

Michael is a former Ciarb Trustee, Honorary Treasurer and Chair of the Audit Committee, as well as a past Chairman and past Vice Chairman of the UAE Branch. Michael is an “Arbitrator” Member of the Society of Construction Arbitrators.


Pamela McDonald

Dr Franco Mastrandrea

Calvin Cheuk

Lucy Greenwood