Secretariat is pleased to share that 56 of our experts have been recognized in the Lexology Index 2026 Construction report for their outstanding work on complex construction disputes and claims around the world. With 12 experts named as Global Elite Thought Leaders—the report’s most exclusive ranking, achieved by only 5% of listed professionals—Secretariat has earned the No. 1 spot in this category for the second year in a row among more than 750 ranked firms.

Lexology’s Construction report is a trusted resource for identifying the most respected practitioners in the global construction industry (as well as emerging leaders in the field), determined by a comprehensive research process that includes endorsements from corporate counsel and industry peers.  

“Secretariat’s continued inclusion in Lexology’s Construction report is a meaningful reflection of our firm’s journey, from our roots as a construction delay boutique to the strength of our global, multidisciplinary practice today,” notes Managing Director Don Harvey. “Our strong presence in Lexology’s rankings year over year speaks to the caliber of our construction expertise, and, beyond that, to the quality and impact we deliver for clients in every engagement.” 

Secretariat’s construction experts combine deep industry experience, analytical rigor, and a proactive approach, distilling complex analyses in clear, defensible ways to help global clients navigate high-stakes matters with confidence.  

Explore the Lexology Index 2026 Construction report to learn more, and read what clients and peers have shared about our experts below. 

Global Elite Thought Leaders 

• Christopher Larkin (Australia) is recognized by Lexology as a “superb, thorough, articulate expert,” bringing more than 35 years of experience to high-value construction claims worldwide. 
• With detailed construction industry experience, Don Harvey (USA) is recognized by market sources as “the number one delay expert in the market” and “absolutely brilliant testifying in the courtroom.” His practice covers contract and project administration issues, claim preparation, and detailed delay analysis. He brings this expertise to disputes arising from major infrastructure and energy projects, including stadium and hospital developments. 
• George Taft (United Kingdom) is described as “an impressive and engaging expert, who provides well-respected opinions.” He is a leading quantum expert with extensive experience in high-profile construction disputes. His expertise spans major building, power generation, and civil engineering projects, where he provides independent advice on complex quantum and damages issues. 
• John Lancaster (Singapore) is a longstanding figure in the construction field, where he provides exceptional expert witness services as a delay specialist. He is a standout practitioner regarded by market sources as a “first-call delay expert.”
• A “first-class expert” praised for “his calm, experience and thoroughness,” Liam Holder (United Kingdom) brings more than 30 years of experience to the valuation of complex claims in construction disputes. His expertise spans delay, disruption, defective works and termination claims, with a strong track record of testifying in high-stakes international arbitrations across Europe, the Middle East and Canada. 
• Meera Wagman (USA) possesses a plethora of experience in providing delay and disruption analyses across complex construction projects. Her work spans high-stakes arbitration and litigation in heavy civil, oil and gas, and infrastructure sectors. Lexology’s market sources describe her as “truly exceptional and capable,” with one designating her as “one of the best experts in the world.” 
• Mike Allen (Hong Kong) is described as “very well respected in the construction industry” and “one of the most experienced quantum experts on construction disputes in Hong Kong,” reflecting his 35+ years’ experience in the field. His “solid” opinions and “well-structured” expert reports are valued by clients, and he is recognised for leading effective teams in quantum work for infrastructure projects. 
• Mike Saulsbury (UAE) brings specialist construction expertise to disputes concerning delay and programming, drawing on extensive experience in large international matters. Peers and clients highlight his “impressive skills in communicating and explaining matters during the cross-examination” and his “next level report writing skills,” reflecting the technical and evidential demands of his work. 
• Neil Gaudion (USA) has a reputation as a “big name in the construction field.” Lexology praises how he “excels in major projects,” with those in the industry describing him as “at the top end of the market for incredibly complex, high-stakes matters.” 
• Paul Roberts (Australia) has expertise in quantum and damages analysis for contentious construction matters and is praised for “his technical capacity and responsiveness.” His expertise spans building, engineering, and petrochemical projects across Australia, New Zealand, and Southeast Asia, where he provides independent expert opinions. 
• Robert Poole (Canada) is a sought-after expert in construction disputes. Peers and clients describe him as “a tremendous quantum expert” who is “knowledgeable, engaging and responsive.” His extensive experience includes cases involving large-scale infrastructure projects across Canada and the UK. 
• Ted Scott (USA) has more than 25 years of construction industry experience with a focus on technically demanding disputes concerning scheduling, disruption analysis and project controls. He is regarded by sources as “a very safe pair of hands” and noted for his “peerless written reports,” reflecting his experience as an expert on large-scale matters involving sectors such as transport, energy and water infrastructure across multiple international markets. 

Thought Leaders 

• Ben Burley (Hong Kong) is praised as “capable,” with Lexology noting that Mr. Burley “focuses on delay, disruption and acceleration issues in complex construction disputes, regularly acting as an expert in international arbitrations across APAC and EMEA and providing detailed analysis and testimony.” 
• Clients and peers laud Ian Greenhough (UAE) as a trusted leader in the UAE and the Middle East, with more than 23 years of experience in the construction industry. Lexology notes that his “outstanding forensic attention to detail” ensures that he effectively addresses complex quantum claims in high-value disputes. 
• Jeffrey Wong (Hong Kong) is recognized by Lexology for his “consistently strong, logical expert opinions,” drawing on more than 25 years of experience in the Asia Pacific construction sector to deliver expert quantum analysis and loss and expense claim assessments on major infrastructure, tunnelling and commercial projects. 
• Manus Bradley (UAE) is seen as “a leader in the expert field,” with clients appreciating how he distinguishes himself through his work as a project engineer, scheduler, and delay analyst on major construction projects. He regularly provides independent expert advice in matters concerning project delay, disruption, and acceleration, and has given evidence in both domestic and international arbitration, including cross-examination and concurrent evidence. 
• Michael Kling (USA) is regarded as “very experienced and knowledgeable,” and has been appointed as an expert on disputes globally, with a practice that includes testifying on quantum, disruption, and productivity loss in high-value construction cases. He is sought after by clients for his “excellent, well-reasoned work.” 
• Terry Hawkins (United Kingdom) is described by sources as “brilliant, innovative and calm” with a reputation for “excellent client handling skills in the face of challenging circumstances” and is regularly appointed as a quantum expert in high-value international arbitration proceedings across the energy, infrastructure and real estate sectors. 

Highly Recommended 

• Bryan Byrd (USA) brings more than 25 years of project and construction management experience, specializing in cost and schedule analyses for large-scale projects across various sectors. His extensive expertise encompasses critical disciplines such as risk analysis, project administration, and change management, making him a valuable asset in navigating complex construction disputes globally. 
• Charmy Patel (Australia) is praised for her ability to “produce well-ordered and cohesive reports.” He brings more than 15 years of experience in quantity surveying and project management to complex infrastructure and commercial construction projects. 
• Dan B Clark (USA) brings more than 35 years of experience in construction program management, forensic accounting and auditing services. He specializes in schedule analysis, economic loss claims, and project completion evaluations, providing detailed reports for complex disputes. 
• Jonathan Brown (Australia) receives widespread acclaim for being “extremely detail-oriented” as well as for his “easy grasp of complex issues,” offering sought-after reports for high-value construction and infrastructure disputes. 
• Kagan Aktas (United Kingdom) is “a highly experienced testifying delay expert with deep knowledge of construction projects in the Middle East.” He assists his clients on projects worldwide, providing detailed analyses of delay, disruption, and productivity issues. His ability to deliver timely and well-supported evidence has earned him recognition as a leading figure in the field. 
• Matthew Wills (Singapore) is widely recognized for his “excellent ability to analyze complex data and communicate findings with ease.” His expertise in handling high-value disputes positions him as a leading figure in the industry. 
• Mehmet Karakoc (United Kingdom) stands out for his “highly credible” and “detailed” delay analysis on complex international projects, with clients commending his “superior service”. His work includes forensic investigations and expert testimony in significant disputes, such as the construction of landmark infrastructure and energy facilities. 
• Oliver Barnes (United Kingdom) specializes in delay and disruption analysis for major infrastructure and commercial projects across Europe, Africa, and the Middle East, and is regularly appointed as an independent expert in high-value disputes involving UK litigation, adjudications, and international arbitrations. 
• Sena Gbedemah (United Kingdom) focuses on construction disputes with particular experience in programming and delay analysis for troubled capital projects. His work spans expert witness appointments in mediation, dispute boards and arbitral proceedings, including testimony in an international arbitration arising from a US$200 million sewage treatment plant dispute in the Middle East. 
• Known as a “strong schedule delay expert,” Thomas Fertitta (USA) brings extensive experience to the resolution of construction disputes, including critical path analysis, delay and disruption assessment; he is recognized for helping clients navigate complex contractual requirements and project risks. 
• Lexology notes that clients highly value Rhiann Storey (United Kingdom) for her ability to “convert complex practical construction issues into quantum advice.” Sources especially note the “speed at which she absorbed information and was able to apply it to complex construction practices and issues was impressive.” 
• Tom Gaines (USA) is described as having “outstanding depth of knowledge and a keen perception of opportunities to sharpen the claim,” which enhances his role in quantum assessments and delay analysis for construction disputes. His “thoughtful and thorough analysis” is valued by clients and tribunals alike. His experience spans airports, healthcare, heavy civil, and resort projects, reflecting his global expertise in expert evidence.  
• Lexology describes Chris Sullivan (USA) as “an exceptional claims consultant” for his work on delay and quantum matters in complex construction disputes. His “remarkable ability to absorb and process large volumes of information” is particularly valued by clients on healthcare, energy and transportation projects, among others. 

Recommended 

• Brian Bowie (Singapore) has a strong foundation in civil engineering and construction law. He has built a reputation for advising on major projects that face schedule challenges and disruption. His experience spans public and private sector developments, from healthcare and pharmaceutical facilities to rail and road infrastructure, and he is skilled in handling arbitration under ICC, AAA, SIAC, and DIAC rules 
• Brian Triche (USA) has two decades of experience in the construction industry which enables him to deliver insightful analyses on project delays and cost overruns. His expertise in scheduling and cost monitoring makes him a go-to resource for clients facing significant construction disputes. 
• Chris Brindisi (USA) is a safe pair of hands for mandates in the construction project management and dispute resolution space, with a focus on complex, multi-million-dollar projects worldwide; he is regularly appointed as an independent expert on scheduling and project delays, providing clear analysis and strategic advice in formal contract negotiations. 
• Etienne Berge (Canada) earns widespread market praise for his “strong intellect” and “analytical approach”. He receives further recognition for his ability to “consolidate and understand the details of a construction project” making him a key figure in high-stakes matters in Canada and internationally. 
• Georges Bader (Canada) is recognized as an “excellent delay expert with extensive practical experience in schedule and claim management” and is sought after by clients for support in the analysis and resolution of complex construction disputes. 
• Joel Glover (Australia) is recognized for his capacity to “discern the facts quickly and identify the key areas requiring investigation,” offering practical expertise in quantum analysis and report drafting for construction disputes across multiple jurisdictions. 
• Kaz Rozputynski (United Kingdom) has a pronounced reputation for his “dedication and depth of expertise”. He stands out for his focus on programming and scheduling matters. His extensive experience in the construction sector positions him as a key expert in managing project delays and disruptions. 
• Les Ross (Australia) is praised for his ability to “immediately grasp the key issues” and provide “plain language,” “compelling” analysis in construction dispute resolution and quantum matters, with experience spanning sectors including civil engineering, LNG facilities, and process works across the UK, Middle East, Asia, and Australasia. 
• Mark Vaughan-Jones (United Kingdom) brings 20 years of construction industry experience to his specialist practice in delay analysis, advising employers and contractors on complex disputes in the UK, Europe and the Middle East across sectors including nuclear, oil and gas, highways, airports and power. 
• Nicolas Noyer (United Kingdom) is known as “detail-oriented and very pragmatic in his approach”. He delivers efficient and cost-effective quantum expertise, supporting clients in sectors such as oil and gas, power and infrastructure with independent advice and expert testimony in high-value disputes. 
• Wayne Kalayjian (USA) has deep sector experience across energy, technology, transportation and healthcare. He is known for his ability to translate intricate technical issues into clear guidance, supporting clients with forensic accounting, cost estimating and environmental risk remediation on capital projects of all sizes. 
• Nelson Gallardo (USA) is regarded by Lexology as an excellent construction delay and quantum specialist with more than two decades of experience advising on large industrial projects across the United States and Latin America. His practice encompasses expert testimony in disputes, focusing on schedule delay, disruption, contractor terminations, and economic damages across sectors such as power, oil and gas, mining, and infrastructure.  

Construction Future Leaders Experts 2026  

• Gareth McDermott (UAE) is widely endorsed as an “exceptionally serious and dedicated quantum expert” with “a profound analytical methodology that sets him apart”. He brings nearly two decades of global experience working on major construction, engineering, and energy projects, where he routinely assesses complex claims involving valuation, measurement, delay, disruption, acceleration, defective works, and termination. 
• Lexology praises Harshal Doshi (Singapore) for his “unique ability to quickly grasp extensive and detailed material.” He brings over a decade of consulting experience to the resolution of construction disputes worldwide. Mr. Doshi’s “calm under pressure” demeanor and “strong analytical mind” are frequently cited by clients, who also value his “responsiveness and clear communication.” These strengths underpin his success in advising on programming and delay issues for major infrastructure and energy projects. 
• Jeremy Wegener (USA) is described as a “consummate professional who is always incredibly well prepared and speaks with authority,” with clients and counsel valuing his “depth of insights and tireless commitment” in construction disputes. His “excellent forensic schedule analysis, deep command of the project record, gifted written and oral presentation of his findings” are frequently cited as key strengths in resolving claims across power, LNG, and industrial projects internationally. 
• Sources praise Kelsey Bishop (USA) for her elite expertise, which spans delay analysis, productivity assessment, and contract review, supporting owners and contractors in resolving disputes across a diverse range of sectors and geographies. 
• Madison Clark (USA) is focused on construction disputes. She is praised by clients and peers as “dedicated” and “hard-working” for her ability to analyze complex scheduling issues and identify the factors driving project delays; her technical proficiency and “strong analytical skills” underpin her growing reputation as a future leader. 
• Michael Pogue (United Kingdom) is acclaimed for bringing strong analytical skills and sector knowledge to construction disputes, with experience handling a range of technical issues—from procurement to valuation—and supporting the effective resolution of complex expert matters. 
• Tom Hawkins (Canada) is described as “diligent, creative and consistently excellent,” making him a key team member in high-value construction disputes. His “strong analytical and communication skills,” as well as his “excellent demeanor and approach to client service,” are frequently cited by clients, who also appreciate his “quick turnaround times when working under pressure.” 
• Tosh Masson (United Kingdom) is recognized for his “incredible attention to detail” and “very thorough” approach. He is highly regarded in complex construction matters for his “logical analysis,” “clear reporting,” and ability to deliver high-quality expert work under tight timeframes; sources note that he is “a joy to work with.” 
• Vivienne Li (Singapore) is recognized for her “excellent command of delay analysis techniques,” with her expertise spanning major capital and infrastructure projects across Southeast Asia, the Middle East, China, and India. Clients further note that “her ability to master and deploy new technologies in support of evidence distinguishes her as part of the new generation of tech-savvy expert witnesses.” 
• Lexology commends Yasir Kadhim (Singapore) for his “excellent command of delay analysis techniques,” with his expertise spanning major capital and infrastructure projects across Southeast Asia, the Middle East, China, and India. Clients further note that “his ability to master and deploy new technologies in support of evidence distinguishes him as part of the new generation of tech-savvy expert witnesses.” 
• Zackery Kilgore (USA) comes highly recommended for his deep expertise in delay, disruption and scheduling analysis in complex infrastructure and energy projects. One source says, “He is among the best of the next wave of delay experts.” 
• Stuart Allan (UAE) is commended as an “excellent quantum expert” who brings over a decade of international experience to the valuation of claims and construction disputes. His expertise covers final accounts, remeasurement, and quantum principles in both tribunal-appointed and party-appointed cases.