"Ian is independent, calm, sharp and accomplished"
"His expert report was precise, accurate and detailed"
"He thoroughly scrutinised the quantum claimed by the contractor"
Ian Osbaldeston, partner at Blackrock Expert Services, is a Chartered Quantity Surveyor and quantum expert with over 23 years’ experience in main contracting, consultancy and acting as an independent quantum expert witness. He is a member of the Academy of Experts and has been appointed as an independent expert witness over 30 times. He has provided oral testimony on ten separate occasions in arbitrations under the UNCITRAL, LCIA, ICC, DIAC and ICSID rules.
Highly regarded in the profession for his clear and focused approach, he has a proven track record in delivering construction consultancy services to clients across the supply chain. As well as expert testimony, Ian also provides independent advice to States, Governments, EPC contractors and subcontractors on live projects to avoid, mitigate and resolve disputes.
Having previously lived and worked in the Middle East and North Africa (MENA) region for many years, Ian has extensive experience in the commercial issues encountered on major programmes of work. This includes the valuation of disputed variations, extension of time, terminated works, the financial impact of late payment, and the financial impact of non-project related overheads. His sector experience is wide ranging and has included the administration of projects based on major forms of contract such as FIDIC EPC, NEC, IChemE, ICE and JCT. Ian is particularly experienced in complex Infrastructure, oil and gas, process and power projects as well as projects in sectors such as IT special airport systems, rail, nuclear, water, marine, aviation, and luxury commercial and residential properties.
Ian Osbaldeston is “very thorough in his work on quantum issues”, delivering "clear and comprehensive work”. He has “deep experience and is good under cross-examination”.
Ian is a chartered quantity surveyor with over 23 years’ experience in main contracting, consultancy, and acting as an independent quantum expert witness. Ian has delivered contentious, non-contentious and commercial management services across the world, most recently in Europe, MENA, Asia and the Commonwealth of Independent States.
A member of the Academy of Experts who is regularly appointed as an independent expert witness in quantum, Ian has given oral evidence in arbitration on 10 separate occasions under UNCITRAL, ICC, DIAC, LCIA, LMAA and ICSID rules.
Ian provides opinion on the valuation of disputed variations, defective work, extension of time and terminated works as well as the financial impact of late payment. He has also previously valued the loss of potential profits as well as the financial impact of non-project related overheads.
Ian has working knowledge of most major forms of contract including FIDIC EPC, NEC, IChemE, ICE and JCT. His sector experience includes infrastructure, power, process, rail, oil and gas, nuclear, water, marine, aviation, luxury commercial and residential properties, and IT special airport systems.