Secretariat is pleased to share that 87 of our experts have been named in the Lexology Index 2025 Consulting Expert Reports series, achieving recognition as global industry leaders across several key categories:
- Competition Economists
- Construction – Quantum, Delay & Technical
- Financial Advisory and Valuation – Quantum of Damage
- Forensic Accountants
Lexology’s 2025 Consulting Expert Reports identify the premier litigation consulting experts in the global market, determined through their rigorous research process as well as nominations from clients and peers.
Secretariat’s continued inclusion in Lexology’s prestigious rankings underscores our firm’s credibility, technical excellence, and expert leadership across consulting sectors.
Read Lexology’s full 2025 Consulting Expert reports here.
Competition Economists
Recommended Consulting Experts
USA
- David Argue is a distinguished competition economist renowned for his expert analysis and compelling testimony in complex healthcare merger reviews and antitrust litigation.
- John Morris is a leading authority in the competition market, with over 20 years of experience analysing mergers and investigating abuse of dominance matters in the US energy sector.
- Philip Nelson is a leading authority in antitrust economics, widely respected for combining rigorous academic insight with high-impact regulatory experience from his senior role at the FTC.
- With more than 40 years of experience, Robert Stoner stands out as a leading authority for delivering first-rate expert testimony in landmark merger and monopolisation cases and providing strategic guidance on complex class actions.
- Su Sun is a clear leader in the field of competition economics, with deep expertise in merger review, price fixing and abuse of dominance matters. His experience spans antitrust investigations and litigation across the US and China.
- Keith Waehrer comes highly recommended by peers and clients, thanks to his brilliant work on major mergers and anti-monopoly disputes in the telecoms, financial services and aviation industries, among others.
- Lexology Index says: Matthew Wright earns plaudits for his deep understanding of competition economics involving monopolisation, damages estimation and merger analysis across an array of industries, including transport, pharmaceuticals and consumer goods, among others.
Construction – Quantum, Delay & Technical
Recommended Consulting Experts
Australia
- Jonathan Brown is a highly respected director with experience in quantum expert services, known for his meticulous and pragmatic approach to quantity surveying, valuation of prolongation costs, disruption, and loss of productivity.
- Joel Glover is a distinguished chartered quantity surveyor with over 18 years of experience in cost consulting and dispute resolution. He is praised for his “quality of written work,” which sets him apart in the field of quantum experts.
- Charmy Patel earns widespread praise for her vast experience providing quantum analysis on disputes arising from major infrastructure projects, both domestically and abroad.
- With a focus on dispute resolution, Paul Roberts provides expert quantum opinions to clients in the construction industry. His experience spans a wide range of projects, making him a trusted adviser in complex matters.
- Les Ross is an accomplished expert with a well-developed quantum practice, possessing over four decades of experience in high-stakes construction disputes. He is widely held to be a leading authority in the field, regularly advising on complex claims across infrastructure, energy and natural resources projects.
Canada
- With over three decades of experience, Christopher Larkin is singled out for his top-tier practice navigating complex cross-border delay and quantum matters arising from major construction and infrastructure projects.
- Robert Poole has built an impressive reputation as a top-tier expert witness and is touted for his “ability to quickly distil the facts” and analyse “voluminous materials”.
England
- Oliver Barnes is a well-known name in global construction disputes, with nearly 30 years’ experience. He earns praise for his incisive delay analysis, pragmatism and unparalleled scheduling expertise.
- Sena Gbedemah is a well-regarded delay expert who takes a “hands-on approach” to high-value construction disputes in the transport, energy and technology sectors. Sources say, “He communicates in a calm and effective way to ensure the right approach is taken.”
- Described as “razor-sharp” and “excellent on the stand,” quantum expert Terry Hawkins is praised for his diligent approach to complex construction disputes, both domestically and abroad.
- Liam Holder is “an outstanding construction expert,” recognised for his extensive experience in quantifying damages. His involvement in high-stakes international disputes highlights his capabilities in evaluating complex concepts, making him a valuable asset in the construction sector.
- Celebrated for his forensic precision in resolving complex construction disputes, Mehmet Karakoc is a leading delay expert who advises global infrastructure and energy clients across 35 countries.
- Nicolas Noyer possesses over 25 years of experience in the construction industry, specialising in quantum analysis and has provided expert advice on projects across the Americas and EMEA region, covering sectors such as oil and gas and infrastructure.
- Rhiann Storey commands a spectacular reputation in the construction industry, particularly in dispute resolution. She is praised for her ability to “communicate very well with clients,” ensuring clarity in complex matters. Her dual qualifications as a Fellow of the Royal Institution of Chartered Surveyors and the Chartered Institute of Arbitrators enhance her expertise.
- George Taft is acknowledged as a “leading expert” in quantum claims, with extensive experience in international arbitration. His “approachable nature and strong analytical skills” make him a valuable asset in high-stakes construction disputes.
- Mark Vaughan-Jones is a trusted expert in programming and delay, valued for his rigorous forensic approach and dual expertise in quantum and scheduling across high-stakes construction disputes in the UK, Europe, and the Middle East.
Hong Kong
- With over three decades of experience in quantity surveying and quantum analysis, Mike Allen is sought after internationally for his “precision and accuracy” in complex valuations.
- Ben Burley is a highly regarded delay expert with a strong international presence across the APAC and EMEA regions. He is lauded by peers and clients alike for his “ability to foresee issues and advise on strategies to tackle them ahead of time”.
- With a unique expertise in the programming and planning in the construction sector, Alex Ho remains a trusted advisor for complex matters and disputes involving a delay element in Hong Kong.
- Jeffrey Wong possesses over 25 years of experience providing loss of profits and valuations analysis in domestic and international construction and infrastructure disputes.
Singapore
- With over 10 years of experience, Brian Bowie is a favourite with peers and clients for his expertise in delay and productivity analysis for complex construction projects. His work includes offshore oil & gas, tunnelling, and wastewater treatment.
- Amit Garg is widely recognised as one of the foremost authorities in quantum delay analysis and construction disputes, with industry leaders praising him as “amongst the best experts in the industry”.
- Matthew Wills is a key name when it comes to complex quantum and delay matters in the infrastructure projects internationally in a variety of sectors, including energy and oil.
- John Lancaster was also recognized as Recommended consulting expert in Lexology’s report.
UAE
- Manus Bradley is a highly regarded delay expert, known for his sharp forensic analysis and decades of hands-on experience resolving complex scheduling disputes on major construction and engineering projects worldwide.
- Ian Greenhough is highly recommended by sources who praise his “detailed understanding of all quantum-related matters” and further highlight that he is “easy to work with, fair and has a common-sense approach”.
- Taoufik Lachheb is a distinguished expert in delay and quantum analysis, with over 25 years’ experience in the engineering and construction market. He is known for his skilled and collaborative approach to disputes across oil and gas, shipbuilding and infrastructure sectors worldwide.
- Mike Saulsbury is “a stand-out delay expert” who brings “meticulous attention to detail and deep understanding of construction schedules and project timelines” to large-scale disputes.
- Kagan Aktas was also recognized as Recommended consulting expert in Lexology’s report.
USA
- Bryan Byrd is an internationally sought-after cost and scheduling expert with a wealth of experience in construction, engineering and procurement projects, where he assists in a range of matters, including risk analysis and cost control.
- Dan Clark is highly commended by market leaders thanks to “his ability to drill down through a complex amount of data and identify key points that are useful to the claim”.
- Thomas Fertitta is a longstanding fixture in the construction market, with over three decades of experience advising on complex commercial projects. He is highly regarded for his ability to foresee project risks and craft strategic and persuasive analyses in high-stakes disputes.
- Tom Gaines is a globally recognised authority in claim pricing, cost analysis and delay assessment for construction projects. With over two decades of experience, he has delivered expert testimony in high-stakes disputes involving airports, healthcare facilities and major infrastructure developments.
- Nelson Gallardo is a renowned testifying expert witness specialising in delay and damages issues, who enjoys a strong reputation for his work in high-value construction disputes across Latin America and the United States.
- Neil Gaudion receives widespread praise from sources as being a “sharp, detail-oriented and well-prepared” practitioner who possesses decades of experience serving as an expert witness for major energy-related construction projects and disputes.
- With over 25 years of experience, Don Harvey has acted in some of the most complex and high-profile construction disputes. His meticulous approach and sharp insights have earned him the spot among top-notch expert witnesses in the field.
- Wayne Kalayjian is extremely well-known for his deep expertise in domestic and international design and construction projects across the energy, transport and healthcare industries.
- Clients applaud Michael Kling for his deep expertise in skilfully navigating complex construction disputes involving quantum, delay and technical issues. One source highlights his “thorough research skills”.
- Ted Scott is a “well-rounded and well-spoken expert” who wins praise in the market for his “unparalleled technical evaluations” and “excellent testifying skills”.
- Chris Sullivan is a specialist in schedule delay and quantum analysis, assisting clients in complex construction projects across sectors ranging from healthcare and utilities to energy and infrastructure.
- Thanks to his over two decades of experience as a quantum and delay expert, Brian Triche impresses peers and clients alike with his propensity for “organisation, strategic thinking and effective presentation” when handling high-stakes construction disputes.
- With a strong background in project management, Meera Wagman is a sought-after expert for delay and disruption analyses in global, high-profile construction projects.
- Chris Brindisi was also recognized as Recommended consulting expert in Lexology’s report.
Future Leaders
Canada
- Etienne Berge is a “diligent and detail-oriented” delay and quantum expert with over 15 years of experience providing services to project owners and contractors in Canada and internationally. He is praised for his ability to “quickly understand the issues and the client’s requirements” and ” impressive ability to review and analyse large quantities of data”.
England
- Tosh Masson is a rising star in construction disputes, with a sharp focus on delay analysis. He is praised for being “truly on top of the detail,” delivering “excellent report writing and analytics” across complex infrastructure and engineering claims.
- Gareth McDermott is praised for his “methodical and meticulous approach” to valuing construction claims. His nearly 20 years of experience in international projects make him an exemplary expert witness in quantum matters.
- Michael Pogue commands presence in the construction disputes arena, known for his expertise in complex quantum matters. He “consistently demonstrates professionalism, precision and a strategic approach,” with analysis that is “meticulous”.
- Kaz Rozputynski is a trusted expert in the construction and engineering industries, offering exceptional services related to programming and scheduling of complex construction projects. He has garnered acclaim from peers for his “responsiveness and attention to detail in his delay analysis”.
Singapore
- Yasir Kadhim enjoys a fantastic reputation in the market, with peers and clients praising him for the quality of his reports. He is often involved in complex disputes concerning delay claims in the construction sector.
- Vivienne Li earns plaudits on the market for her “remarkably skilled, practical and well-reasoned approach to delay analysis” and “consistently clear and logically structured explanations”.
USA
- Kelsey Bishop is a first-rate construction specialist who comes highly recommended for her delay analysis and contract review experience across a wealth of projects across an array of industries, including energy and transport to property and utilities.
- A fast-rising name in the construction disputes space, Madison Clark brings exceptional clarity and analytical depth to delay analysis. She is recognised for her “detailed and qualified analysis of project schedules” and ability to “identify the causes and consequences of changes” with precision.
- Described as “a pleasure to work with,” Zackery Kilgore excels in providing expert advice on complex construction matters, particularly on programming and scheduling for major projects worldwide.
UAE
- Stuart Allan was recognized as a Future Leader consulting expert in Lexology’s report.
Financial Advisory and Valuation – Quantum of Damages
Global Elite Thought Leaders
Canada
- Chris Milburn is a distinguished damages and valuations expert with deep expertise navigating major financial investigations and disputes arising from the energy and natural resources, financial services and property sectors, among others.
- With over four decades of experience, Howard Rosen is “amongst the best in the industry and well-liked by clients,” thanks to his deep knowledge of business valuations and damages quantification in high-stakes international arbitrations.
USA
- Kiran Sequeira is described as “simply the best in the industry,” with over 20 years of experience providing quantum analysis in international disputes. His ability to “anchor discussions on key points” makes him a highly regarded expert witness in complex cases.
Recommended Consulting Experts
Canada
- Julius Koo is a pre-eminent business valuation and damages quantification expert who is celebrated in the market for his “diligent approach and levelheadedness” to high-value arbitration and litigation proceedings.
England
- Liam Holder is among the world’s foremost quantum experts. With over 30 years of experience, he has strong technical expertise, which he leverages when working on disputes concerning large, complex multinational projects.
- Mark Taylor is a respected name in the market, with over two decades of experience providing damages analysis and financial advice in complex investigations and arbitrations.
- Travis Taylor enjoys a spectacular reputation in the forensic accounting field. He is adept at handling fraud investigations and seamlessly dispenses expert opinions from the witness box.
Germany
- Alexander Demuth is a well-regarded expert with deep expertise in quantifying damages in complex international disputes, including post-M&A, investor-state and commercial claims arising from the automotive, energy and pharmaceutical industries.
Singapore
- Chaitanya Arora brings extensive experience providing quantum valuations in expert witness roles. His work in assessing damages issues positions him as a leading figure in the disputes landscape across Asia.
USA
- Bryan D’Aguiar earns plaudits for his “deep technical expertise, impressive quantum analysis and in-depth understanding of the funds industry”. He is praised by market sources who “highly recommend him”.
- With over 25 years of experience, Don Harvey has acted in some of the most complex and high-profile construction disputes. His meticulous approach and sharp insights have earned him the spot among top-notch expert witnesses in the field.
- With three decades of experience, Paul Marcus is widely perceived as a stellar valuation expert thanks to his compelling witness testimony in complex domestic and international construction disputes.
- Described as “simply outstanding,” Garrett Rush brings “all of the skills you need in an expert witness” to complex multi-jurisdictional disputes in the real estate, financial services and transport sectors, among others.
- Jennifer Vanderhart consistently earns acclaim from market commentators for her exceptional expertise in damage quantification and her deep understanding of employment and IP-related claims.
- Mike Allen is also recognized as a Recommended consulting expert in Lexology’s report.
Future Leaders
Canada
- Eddie Tobis is widely respected for his precision and depth in quantum, delay, and technical analysis. He is sought after by clients for his “meticulous and accurate arguments that are very precise, yet presented in an easily understandable way”.
USA
- Gigi Cantalupo is a rising star, commended for “her ability to digest large volumes of information and get on top of highly complex issues in no time”. Her deep expertise in quantifying damages makes her an asset in highly complex commercial and investment disputes.
- Stuart Dekker is a managing director known for clear, expert testimony on damages and valuation in over 50 major international arbitrations. Praised for flawless reports and sharp insights, he advises Fortune 500 firms, governments, and multilateral institutions globally.
Forensic Accountants
Recommended Consulting Experts
Germany
- Alexander Demuth is widely recognised as one of the leading names in forensic accounting and is adept at providing expert testimony in high-stakes arbitration and litigation proceedings.
USA
- Rob Hutchins is a well-established expert in forensic accounting, focusing on a range of financial issues, including breach of contract and fraud allegations. His experience spans various industries, making him a trusted source of guidance for clients seeking highly tailored solutions in complex litigation and financial investigations.
- Lexology Index says: Gary Kleinrichert has over 30 years’ experience in forensic accounting, focusing on complex investigations and expert testimony. He has worked on high-profile cases involving fraud, embezzlement, and antitrust violations.
- Eric Poer has over 25 years of experience as a forensic accountant across a variety of matters, including in large investigations and disputes. Our market sources describe him as “an amazing expert” and “a go-to for forensic work”.
- Edward Westerman is one of the leading forensic accountants in the market with over 25 years of experience in complex international matters concerning white collar crime, regulatory enquiries, and corruption and bribery.