
Quantum & Damages
In every major commercial and treaty arbitration center worldwide, our clients rely on us for clear, defensible financial assessments that deliver precise valuation of economic losses and strong, credible claims.

As the world’s largest international arbitration expert witness practice, we bring global reach and local insight to complex cross-border construction matters, matching each case with the right expert by industry, region or language specialization.
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In every major commercial and treaty arbitration center worldwide, our clients rely on us for clear, defensible financial assessments that deliver precise valuation of economic losses and strong, credible claims.



With a focus on effective resolution and informed decision making, we deliver clear, objective assessments of project timeline impacts to help identify root causes and accurately quantify delays.
In crisis and transformation, true expertise is measured in impact.
Contact Our ExpertsAwarded by Global Arbitration Review’s Power Index 2023
Advisor to all of the world’s top 100 law firms
Lexology Arbitration Expert Firm of the Year 2015-2024
Our award-winning experts in engineering, construction, finance and economics deliver robust analysis and credible evidence that withstands scrutiny in high-stakes international arbitration.

Lee Baker is a planner and delay analyst with extensive international expertise, gained over the last 20 years. He is recognised in Who’s Who Legal’s premium list as one of the world’s leading International Arbitration Expert Witnesses.
Mr. Baker trained as a construction planner and now provides clients with comprehensive planning, delay analysis and project risk management solutions for a wide range of sectors within the construction industry. Mr. Baker has been appointed to prepare expert reports and regularly advises clients on dispute avoidance and resolution. He has extensive international experience with high-value mega-projects across a wide range of industry sectors. These include power generation, aviation, rail, high-rise buildings, oil and gas, prestige retail, and commercial developments.

Brandon Chaney has over 18 years of engineering and construction management experience within the mining, liquefied gas, infrastructure and defense industries.
Mr. Chaney has strong exposure in cost control, quantity surveying, pricing of variations, cost savings, cost estimating, client relations, project management and project/resource planning. He also has broad experience performing cost overrun claims, damages analysis, contract audits, cost analysis, fraud investigations, project monitoring and providing dispute resolution assistance to construction industry clients. He is appointed as a quantum expert on litigation and commercial dispute matters related to the pricing of variation work on numerous complex construction projects in Latin America, Europe and the Middle East.
Senior Managing Director, Head of Spain and Latin America Construction, Projects & Assets

Alastair Farr has more than 35 years of experience in the construction and engineering industries across a wide range of sectors, including waste-to-energy/biomass, power generation, offshore and onshore oil and gas, shipbuilding, subsea, civil engineering, building, water, mining and rail and roads.
Mr. Farr is an experienced testifying quantum and delay expert on matters including loss and expense/additional costs/damages, disputed variations, delay and extensions of time. He has acted as an expert witness in international and domestic arbitration and litigation and testified in International Chamber of Commerce (“ICC”), Asian International Arbitration Center (“AIAC”), formerly known as Kuala Lumpur Regional Centre for Arbitration (“KLRCA”), and London Court of International Arbitrations (“LCIA”) arbitrations, as well as in UK litigation in the Technology and Construction Court as a CPR35 Expert.
Senior Managing Director, Head of EMEA Construction, Projects & Assets
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Thomas Hofbauer is a civil engineer with more than 25 years of experience in the construction and engineering industries and acts as both delay and quantum expert in English and German language disputes.
Mr. Hofbauer has a background in strategic procurement, contract management and claims management for rail, infrastructure, industrial, IT, power, buildings and rolling stock projects across Europe. His contract and claims management expertise ranges from contract advice to final account settlement. He specialises in expert witness services, contract and risk analysis, as well as in delivering project audits to assess delay, disruption, damages and cost. He has given evidence in arbitral proceedings at the ICC in Paris, the VIAC in Vienna and the SCAI in Zurich, and has acted as an expert for disputes across Europe, in China, India, Mexico, Russia, South Africa, Turkey and the United States.
Senior Managing Director, Head of Continental Europe Construction, Projects & Assets
Juliette Fortin specializes in valuation issues and has assisted leading companies and law firms for more than 25 years. She is regularly appointed as an expert in international arbitration disputes and provides oral evidence in French, English and Spanish.
Ms. Fortin’s expertise spans valuation in the context of M&A, the quantification of damages claims in domestic and international commercial and investment disputes, accounting issues and post-transaction disputes. She has assisted multinational companies and law firms throughout the world, including Africa, Europe and Latin America. She has been involved in 60 arbitrations, has prepared more than 160 reports and has testified in more than 30 international arbitration procedures. Ms. Fortin regularly intervenes in commercial court litigations for national disputes within the framework of judicial expertise or in ad-hoc expertise. She has led numerous post-acquisition litigation assignments.
Senior Managing Director, Head of France Economic and Financial Consulting
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Andrew Rhodes has more than 25 years of experience in the construction industry, specializing in schedule delay and disruption analysis and damages calculations. He is a structural design engineer who previously ran his own construction claims consulting firm.
Mr. Rhodes consults on complex domestic and international projects across the Americas, as well as in Australia, the Caribbean, Europe, Asia and Africa. He has assisted contractors and owners throughout the project lifecycle in their efforts to effectively manage the recovery of time and additional costs, defend against claims, and avoid formal disputes. Mr. Rhodes has provided expert testimony on more than 70 occasions in connection with domestic and international arbitrations, federal and state court proceedings and board of claim hearings. Respected as an independent and objective expert in his field, he has also served as a mediator and as an expert consultant to a Dispute Resolution Board.
Our clients trust us to help navigate their most challenging high-stakes cases. We leverage independent analysis, deep industry knowledge and global experience to deliver clear insights and credible evidence in complex cross-border disputes.
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