Construction Quantum Archives – Page 7 of 10

John A (Jack) MacGiffert

Jack MacGiffert is a construction and project management professional with more than 40 years of industry experience. He has been appointed as both a delay and quantum expert on 27 occasions.

Jack has testified in both litigation and arbitration for disputed matters involving, quantum, cost, schedule, standard of care and productivity, with resultant delay and disruptions. He has been an expert witness for disputed values in excess of $3 billion.

Jack previously owned an environmental contracting firm that performed mold remediation, asbestos abatement and hazardous material remediation, which qualifies him as a hands-on environmental and project management expert. He also serves as a construction consultant to the insurance industry performing damage assessments, estimates and reports for claims involving property loss, business interruption, construction defects and subrogation. Jack’s consulting assignments have included power plants, industrial complexes, healthcare, educational, governmental, high-rise office, hotel, housing, military, theme park, transportation, retail and general commercial and residential projects.

Jack is an expert in the energy and industrial areas of construction with extensive project experience including nuclear and fossil power plants and industrial complexes, gained while working for more than 10 years for the world’s largest EPC firm. He serves as an author and instructor for the continued professional development of architects, engineers and contractors throughout the USA.

Jack MacGiffert is a certified indoor environmental consultant, certified mechanical contractor, certified construction manager, LEED accredited practitioner and project management professional. He is a fellow of the Claims and Litigations Management Alliance and a member of the Construction Management Association of America and the Project Management Institute.

Peter Vosbikian

Peter Vosbikian has more than 20 years of experience in engineering, construction, project controls, claims analysis and litigation support services. He has been appointed as an expert witness on ten occasions in both quantum and delay matters.

Peter Vosbikian is a highly credible construction quantum and delay expert with over 20 years’ experience, known for clear, thorough analysis and trusted testimony in complex, high-value infrastructure disputes.

Lexology Index – Consulting – Construction – Quantum, Delay and Technical

Peter has testified in litigation and has had extensive involvement with arbitrations, mediations and negotiations. His delay and disruption expert work has included disputed sums in excess of $170 million and he is known for preparing and presenting logical and easy-to-understand expert reports.

Peter has a background in land development engineering, project advisory and consulting services across a wide range of projects including large, complex infrastructure projects, oil and gas pipelines, chemical and fuel refineries, water treatment facilities, resort facilities, sports arenas, mining and government buildings. He also provides guidance and support for managing construction risk and dispute avoidance for clients ranging from owners, developers and insurers to contractors and architects.

Peter specialises in schedule delay analysis and quantifying the effects of delay, disruptions and productivity loss as well as performing technical issues analysis. He has prepared expert reports addressing the various delay analysis and loss of productivity methodologies, having lectured on those topics as well.

Peter is certified by the American Association of Cost Engineers as both a cost professional (CCP) and forensic claims consultant (CFCC). He is an arbitrator with the American Arbitration Association and has been published regarding causation analysis by the American Bar Association.

Peter’s analysis is always thorough and sound. He has the ability to present complex problems in clear and succinct language.

Lexology Index – Construction

Lynne Baker

Lynne Baker is a widely experienced construction professional with more than 30 years of industry experience. She been named as expert for delay, quantum and technical matters.

Lynne has testified at arbitration and mediation including giving concurrent evidence. She has conducted the contract entitlement and schedule delay analysis for multiple claims by owners and contractors.

Lynne is a planning and scheduling professional who began her career in her family’s Associated General Contractors (AGC) business. This led her to direct project controls for an ENR Top 400 general contractor. On behalf of several owners, she has directed project planning, coordinated and managed a team of design professionals, and conducted entitlement negotiations with federal, state, and local agencies. Her public works background includes expertise specific to rail transit, environmental permit compliance and mitigation requirements, with particular knowledge of wetlands and habitat restoration. Her project experience ranges from commercial building to full scale land development. Lynne is a popular speaker and effective team builder.

Lynne Baker serves the General Services Administration as a Construction Peer in the Design and Construction Excellence Program She holds a certificate in mediation from the National Dispute Resolution Center and is a member of the California State Bar.

Macarena Diaz Egnem

Macarena Diaz Egnem is a Chartered Civil Engineer with more than 15 years of construction industry experience. She has been appointed as an expert 13 times and has assisted the named expert on 17 occasions in delay and quantum matters.

Macarena Diaz Egnem is “a fantastic expert” with an “excellent client network and extensive experience” handling complex delay and quantum claims arising from high-stakes disputes.

Lexology Index – Consulting – Construction – Quantum, Delay and Technical – Future Leader

Macarena has been crossed-examined in litigation, arbitration and before Dispute Adjudication Boards. She also regularly provides analysis and opinion for expert reports in conjunction with named experts for buildings, infrastructure and power projects across South America, Europe, the Middle East and USA.

Macarena has worked for owners, contractors, engineering consultants, litigants and courts across development, construction and dispute resolution disciplines. Her prior engagements include a range of power projects from hydroelectric plants, thermoelectric plants, and geothermal and nuclear power stations to wind farms, solar power plants, substations and transmission lines; roadways construction; large marine facilities; metro, rail and airport transportation; hospital, residential, office and hotel buildings; construction of operational facilities for the mining sector; as well as a pulp mill (cellulose plant) and oil refineries.

Macarena specialises in the processes of planning and control for the whole project lifecycle. She undertakes both forensic delay and quantum analysis and advises on matters ranging from extensions of time, delay and acceleration to disruption and cost overruns.

Macarena is member of the Association for the Advancement of Cost Engineering International, The Guild of Project Controls and the Society of Construction Law. She is also a member of the Sociedad Chilena del Derecho de la Construcción, the Chilean Association of Engineers and the Project Management College of Scheduling. Macarena is bilingual and supports clients in both Spanish and English.

Macarena is an excellent arbitration expert witness. Ms Diaz Egnem has really good credentials and a plethora of experience.

Lexology Index – Arbitration – Future Leader

John Baxter

John Baxter is a Professional Engineer with 20 years of experience in the industrial, civil, and building construction industries. He is an expert in delay, quantum and technical matters and has been appointed on seven occasions.

John is the top damages testifier. He is very thoughtful and practical. Thanks to his significant on-site experience, he brings a deep level of understanding to his claims.

Lexology Index – Construction

John has opined on matters involving the calculation of delay, productivity, and the associated damages. He has testified in arbitrations as a damages and scheduling expert on mandates pertaining to the construction of LRT infrastructure projects, school construction projects, community center construction projects, government storage facility renovation projects, mixed–use residential high-rise projects, and pipeline projects.

Throughout his career, John has worked on various projects involving the construction of transportation infrastructure such as bridges, highways, airports, and rail terminals. He has also worked on oil and gas pipelines, processing facilities, government data centers, and healthcare facilities throughout Canada. His project management experience includes design development, project costing and analysis, estimating, scheduling, risk and change management, and project delivery. John managed the cost control for the construction of a natural gas processing facility valued at over $1 billion. He has also prepared and managed an integrated schedule for the construction of a $2 billion international airport terminal program.

John’s expertise includes management of structural works (e.g., deep foundations) and all matters of concrete (e.g., footings, walls, substructures, superstructures), as well as temporary structural design and construction. He has created detailed models to analyze large and varied data sets for expert testimony assignments involving a myriad of construction matters.

John Baxter is a registered engineer in Alberta and Ontario, Canada and holds a degree in structural and geotechnical civil engineering. He has been recognised by Lexology Index as a Construction Expert Future Leader.

John Baxter possesses “a high level of sector expertise for his damages quantification” in the transport industry. He impresses his clients with his “rigorous nature”.

Lexology Index – Transport

Andrew (Drew) N Ray

Drew Ray is a planning and scheduling professional with more than 25 years of construction industry experience. He has been appointed as both a delay and a technical expert.

Drew has provided expert testimony in both litigation and arbitration, including concurrent evidence (hot-tubbing). He has prepared a variety of expert reports including time impact analysis, measured mile analysis, reports of findings, graphics, charts, spreadsheets, annotated schedules and visual displays of quantitative information in support of negotiations, mitigations, arbitration and litigation.

Drew has served as an owner’s representative, project manager, construction manager, forensic claims consultant, project engineer and superintendent. He has a broad knowledge of contractor means and methods, contract delivery approaches, and causation of impact.

Drew’s experience includes the identification, evaluation, and quantification of construction claims related to scope changes, schedule delay, extended performance, disruption and loss of productivity, accelerations, errors and omissions, and standard of care disputes. He has an advanced understanding of risk and the strategic approaches necessary to both advance and defend construction claims.

Drew is a section president for the Association for the Advancement of Cost engineering and a member of the Construction Management Association of America. He is proficient in Oracle Primavera P6 and P3, Microsoft Project, Acumen, and SureTrak.

Jeffery McCain

Jeffery McCain is a Professional Engineer with 30 years of construction industry experience. He has been appointed as an expert witness on several occasions.

With over three decades of industry experience, Jeffery McCain is well regarded for his “clear communication” skills and “thorough, detailed analysis”.

Lexology Index – Canada – Construction

Jeff has prepared expert reports for arbitration proceedings and has been retained as an expert in quantum, delay and technical matters regarding a variety of buildings and infrastructure project disputes. He has also been deposed as a witness of fact.

Jeff has held key positions as a construction project engineer, site superintendent, construction cost estimator and construction project manager, working across both North and South America. He is widely experienced in the review of construction projects on behalf of insurance underwriters, assisting with liquidated damages, errors and omissions, force majeure and other types of construction risks.

Jeff specialises in schedule delay analysis, drawing on his background in estimating and project management which affords him an excellent basis for the evaluation of contractor’s schedules. He also has extensive experience in loss-of-productivity and cost analysis and is well acquainted with various scheduling programs, including Microsoft Project and Primavera P6. Other areas of speciality include risk assessments for combined-cycle power plants, process plants, mining projects, sports facilities, public assembly and building projects. He is currently acting as the independent engineer for a major mining project.

Jeff holds an undergraduate degree in civil engineering and a master’s degree in construction management. He is a member of the Ontario Society of Professional Engineers, the American Association of Cost Engineers and the American Society of Civil Engineers.

Jeffery McCain is a standout quantum and delay expert who garners praise for his meticulous schedule analysis in high-value construction disputes across the Americas.

Lexology Index – Consulting – Construction – Quantum, Delay and Technical

Haroon Niazi

Haroon Niazi is a Chartered Quantity Surveyor with more than 15 years of experience in the construction industry. He has been appointed as a quantum expert and provided expert testimony in the Kingdom of Saudi Arabia on two occasions.

Haroon is an excellent expert who has in-depth knowledge of the construction industry. He always takes the time to understand the details of the case he is working on.

Lexology Index – Construction – Thought Leader

Haroon has worked as both a quantity surveyor and a barrister, regularly appearing before tribunals in the UK. He has been instructed on matters ranging from domestic construction disputes, adjudications and lower value commercial claims through to acting as part of arbitration teams in multi-million-dollar arbitration proceedings.

Haroon has experience in all forms of dispute resolution and has a good knowledge of the JCT, NEC, FIDIC, MPW contracts in Kuwait, Saudi Public Works Contract and the Saudi Aramco standard form contracts, as well as various ad hoc contracts.

Haroon specialises in the quantification of construction cost claims. He supports clients across various market sectors from power and oil and gas to major buildings and infrastructure projects.

Haroon Niazi holds a masters in both law and quantity surveying and is a fellow of the Royal Institution of Chartered Surveyors and a member of the Honourable Society of the Middle Temple. He is chair of the RICS world regional board for the Middle East and Africa, where he contributes to the advancement of professional standards and thought leadership in the construction and disputes sector. Haroon is fluent in both English and Urdu and uniquely placed to support clients across Saudi Arabia and the wider Middle East region.

Haroon Niazi is a seasoned quantum expert and former barrister with deep regional experience in the Middle East, known for his sharp analysis of complex construction claims.

Lexology Index – Consulting – Construction – Quantum, Delay and Technical

Tim Overman

Tim Overman is a Professional Engineer and Certified Management Accountant with over 30 years of experience. He has specialized in the investigation of financial, causation and project scheduling issues, primarily related to government contracts and construction businesses.

Tim has presented his findings and opinions in settlement negotiations, mediations, administrative hearings, arbitrations, depositions, and at trial.

Tim’s industry experience encompasses aerospace and defense, casinos and resorts, electrical and electronics, equipment leasing, healthcare, manufacturing, oil and gas, industrial, power generation, professional services, software development, telecommunications, and transportation.

Tim has assisted architect, engineers, contractors, government agencies, owners, subcontractors, and their counsel with the avoidance, investigation, and resolution of complex business disputes. Tim has also worked as an engineer focusing in the areas of construction, evaluation of structures, field and laboratory testing, and structural engineering.

Prior to joining HKA, Tim Overman was a Vice President with The Kenrich Group; a Director at Navigant Consulting, an international consulting firm; a Vice President at Tucker Alan Inc.; and a Principal at Peterson Consulting. Tim also worked at CTL Group and Duke Energy.

Mark Gentry

Mark Gentry is a professional engineer and project manager with 20 years of experience in the construction and engineering industry. He is widely experienced in the investigation and resolution of business disputes, primarily relating to quantum and delay matters.

Mark’s work is thorough and prompt. His assessments are candid and I can rely on his reports.

Lexology Index – Construction

Mark has analyzed manufacturing and termination issues for government contracts and has led teams analyzing critical path method schedules, productivity, cost increases and contract issues.

Mark has testified as an expert in arbitration and court proceedings as well as presented damage and schedule delay analysis during settlement negotiations. He has also consulted with, and presented to, companies on scheduling methods and procedures, costs tracking and means to track the impact of project issues.

Mark has experience working in North America and the Middle East. He has worked with clients on a variety of projects including airports, distribution centers, schools, highways, hotels, resorts, light rail lines, tunnels, military barracks, power plants, sports venues, and water treatment facilities.

Prior to joining HKA, Mark was a Vice President with The Kenrich Group, and before that, he worked as a project manager for JE Dunn Construction, an Engineering News Record top 25 contractor. His project management experience at JE Dunn included condominiums, retail facilities, office buildings, parking lots and casinos. In addition, Mark has provided pre-construction services for hotels and recreational facilities.

Mark Gentry received a BS in Civil Engineering and is LEED (Leadership in Energy and Environmental Design) accredited. He is a member American Society of Civil Engineers (ASCE), a member of the Minnesota State Bar Association (MSBA), and a member of the National Society of Professional Engineers (NSPE).

Mark Gentry has built an outstanding delay and quantum practice, earning widespread recognition for his strong expertise and extensive experience providing expert testimony across global engineering and construction disputes.

Lexology Index – USA Thought Leaders – Construction – Quantum, Delay, and Technical

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