Michael Roos

Michael Roos is a founding partner of Davies Kelly and a testifying quantum expert with around 20 years in the construction industry. He has been appointed as lead quantum expert in international arbitration, court proceedings, adjudication and a pre-arbitral expert procedure, and has given written and oral testimony. He started in construction as a labourer at 16 and worked as a foreman, site manager, quantity surveyor and project manager before moving into disputes.

Highlights

• Lead quantum expert in arbitrations on process plants, oil and gas, desalination, hospitality and infrastructure projects in the Gulf and North Africa.
• Written and oral testimony as quantum expert.
• LLM in Construction Law, Arbitration and Adjudication; Member of the Chartered Institute of Arbitrators.
• Commercial team of the Engineer’s Representative on a USD 5.5bn railway project in Saudi Arabia, managing twelve quantity surveyors.

Selected experience

• Lead quantum expert on claims at phosphate processing facilities in North Africa: first in a non-binding expert procedure, where he gave written and oral testimony, and then in the arbitration that followed, which settled before the hearing. Issues: prolongation, disruption and productivity loss, head office overheads, variations and subcontractor claims.
• Quantum expert for a main contractor in an arbitration with its subcontractor on an LPG extraction and fractionation plant in the Gulf: prolongation, disruption, variations and head office overheads.
• Quantum expert in an arbitration on a landmark hotel in the UAE: variations, prolongation and disruption across MEP packages, and alleged scope creep.
• Quantum expert for a main contractor in an arbitration on a desalination plant in Saudi Arabia: contract balance, retention, additional man-hours, performance bonds, liquidated damages, non-compliant work and defects.
• Quantum expert for a subcontractor in an arbitration on an oil and gas process plant in the UAE: prolongation, disruption and idle time.
• Quantum expert for a developer in court proceedings on an office refurbishment in Scotland, and in an adjudication on a retirement complex in England.
• Early merits and quantum note for a litigation funder in the UAE, with sensitivity ranges and an assessment of whether the documents were sufficient.
• Assistant to quantum experts on airport MEP and systems disputes in Qatar, the UAE and Oman, and on energy disputes in Saudi Arabia, Abu Dhabi and Egypt.

Career

• Davies Kelly, Founding Partner and Testifying Expert Witness, 2020 to date
• Berkeley Research Group, Senior Managing Consultant, 2018 to 2020
• Arcadis (formerly EC Harris), Senior Consultant, 2015 to 2018
• Engineer’s Representative joint venture (Louis Berger, Canarail, Systra, Khatib Alami), Quantity Surveyor, 2014 to 2015
• Veitchi Group, Project QS and Commercial Manager, 2012 to 2014
• Earlier: project manager and quantity surveyor roles in Scotland and Denmark, and site roles from labourer to site manager

When appointed as an expert, Michael’s duty is to the tribunal or court. Read how we work.