Expert Profile

Maria Fisentzou

Maria Fisentzou

Delay Expert


BSc (Hons) in Civil Engineering
MSc in Structural Engineering
MSc in Construction Law and Dispute Resolution

Memberships & Associations


Contract Experience


Presentations & Training

Delay analysis methodologies and their applications


Oil & Gas

Regional Experience

Asia Pacific
Middle East
United Kingdom


  • Chartered Civil Engineer with over 25 years’ experience
  • Delay and Disruption Expert Witness
  • Forensic Delay Analyst
  • Extensive knowledge of extension of the time submissions
  • Project Manager/Construction Manager
  • Planning and monitoring construction activities from tender through to completion stages
  • Commercial management
  • Fluent in both English and Greek


Maria is a Chartered Civil Engineer with over 25 years’ experience.

Maria started her career working for engineering firms as a structural designer and project manager. Later in her career she joined the contracting sector where she spent 15 years in construction management, planning engineering and commercial management in different parts of the world.

Maria has acted as party appointed expert on several projects. Her expert witness work for public building construction, shipbuilding, and for the oil and gas industry involved carrying out delay analysis, preparation of independent expert reports and liaising with counsel and instructing solicitors.

Maria has given oral expert evidence in international arbitration proceedings.

In addition, she has been appointed to provide advice and independent expert opinion to clients on a variety of planning/ programming, forensic scheduling and contractual issues in building, including high-rise residential and office developments, hotel construction, shipbuilding, tunnelling projects and FPSOs. She has gained extensive experience in adjudication and international arbitration and has advised clients on dispute resolution processes and provided case-management for these.

Maria commenced her professional career as a site engineer on building and civil engineering projects. She progressed to Planning Engineer, Senior Planning Manager and Commercial Manager before becoming Delay Expert. Throughout her career she gained extensive experience in the preparation of construction programmes using critical path analysis techniques, resource scheduling, and programme and cost monitoring for major building and civil engineering projects.

She prepares delay and disruption analyses for claims for extension of time, loss and expense, and acceleration measures. Her work is applied not only to formal dispute resolution proceedings but also for risk assessment and negotiated settlements.

Her extensive international experience includes working with a variety of contract forms including FIDIC, ICE, JCT, NEC. She has expert knowledge of a variety of planning tools including Primavera P6, Primavera P3, Asta Powerproject.

Maria has been instructed by solicitors, contractors, subcontractors, developers, and architects.

She has been described as “… a competent and experienced planner and analyst. She provides clear and coherent work in her analyses in her presentations and in response to cross examination.”