Mariusz Wiechec


Construction Future Leader 2022
Expert Information
Qualifications PMP – Project Management Professional
MEng Civil Engineering
BSc Civil Engineering
Professional Memberships PMI
Contract Experience NEC, bespoke
Services Delay & Disruption, Quantum
Sectors Buildings, Transportation Infrastructure, Industrial & Manufacturing, Power & Utilities, Resources
Expert Highlights
  • Highly qualified civil engineer with international project experience.
  • Acts as both delay and quantum expert.
  • Risk and Contingency Manager for projects totalling over $1.7 billion.
  • Bilingual – Polish and English.
  • Combines technical acumen, engineering knowledge and dispute resolution know-how.

Mariusz Wiechec is a civil engineer with eight years of construction industry experience. He has been appointed as a delay expert on three occasions, as well as assisting the named expert in matters of delay and quantum.

Mariusz ensures thorough expert analysis of cases. We are most impressed by his ability to present findings in simple communicable formats for stakeholders.

His intellectual capacity, experience, speed of analysis and graphical presentations surpass 90 per cent of experts in the market.

Mariusz has prepared numerous expert reports and acted as an expert advisor across a variety of projects regarding program and cost related issues. He has supported testifying experts during deposition and arbitration hearings and has experience of both negotiations and adjudications.

Mariusz has a civil, structural and industrial engineering background, working on projects across the USA, Canada, UK and Poland. His experience ranges from contract management and project controls to claims management and dispute resolution. He has also worked as a consultant for an owner on a multi-billion-dollar metro development programme, providing cost and schedule risk analysis services.

Mariusz’s expertise lies in a holistic approach to problematic matters, combining forensic delay, disruption and cost damages analysis. His technical background and logical approach to analysis, combined with the ability to clearly present an argument, enables him to support clients across a complex range of disputes.

Mariusz holds a project management professional (PMP) certification and has completed expert witness training and trial advocacy training, including with the American Bar Association. He holds a master’s degree in civil engineering and is fluent in both English and Polish.

Contact Mariusz
Location Philadelphia, PA, US

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