Mariusz Wiechec


Future Leader - Consulting - Construction - Quantum Delay & Technical 2023
Construction - Future Leader 2023
Expert Information
Qualifications PMP – Project Management Professional
MEng Civil Engineering
BSc Civil Engineering
Professional Memberships PMI
Contract Experience NEC, bespoke
Industries Aerospace and Defence, Buildings, Oil and Gas, Power and Utilities, Production and Manufacturing, Real Estate and Tourism, Sports and Entertainment, Technology, Media and Telecoms, Transportation Infrastructure
Regional Experience Americas, Europe
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 almost 10 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 Wiechec is a stellar delay and quantum expert who is “excellent at synthesising large amounts of information” and has “strong project management, delay analysis and presentation abilities”.

WWL Consulting Experts – Construction – Quantum Delay & Technical – Future Leaders 2023

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.

Mariusz is able to review thousands of documents and simplify them into a digestible, fully-supported summary. He is adept at handling client relations.

Contact Mariusz
Location: Philadelphia
PA, United States

Follow HKA on WeChat


HKA WeChat