Andrew (Drew) N Ray


Expert Information
Professional Memberships PSP, AACEI, CMAA
Industries Aerospace and Defence, Buildings, Power and Utilities, Production and Manufacturing, Technology, Media and Telecoms, Transportation Infrastructure
Regional Experience Americas
Expert Highlights
  • Widely experienced planning and scheduling professional.
  • Proven as a credible expert witness under cross-examination including concurrent evidence.
  • Appointed as an expert for both delay and technical matters.
  • Extensive capital project management experience.
  • Numerous assignments for troubled project turnaround.
  • Proficient in disruption and inefficiencies methodologies, change management and delay analysis.

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.

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