Expert witness · Water, wastewater & energy

Independent technical specialist and expert witness in water, wastewater and energy infrastructure.

Portrait of Dr Sami Kassem
Dr Mohamed Sami Kassem · Doha, Qatar
ChE, MSc, PhD, DBA, PE, C.Eng, MICE
LinkedIn ↗
35+ years
Engineering, Design, Technology Innovation & Management
Experience 2,57,000 m³/day
Industrial wastewater treatment plant
1.3 M
Wastewater Treatment Designed
1991
Chartered Engineer & MICE since

Selected projects

All projects →


28 Jul 2026 Biogas to power, heat and turquoise hydrogen The anaerobic reactor makes the fuel. What happens next — CHP engines, hot water, and methane pyrolysis to hydrogen with solid carbon — decides what the fuel is worth. 2 min
6 Jul 2026 Industrial wastewater: choosing the treatment train Municipal works treat one wastewater; industry produces thousands. The technology list is long — the discipline is characterising the effluent before choosing from it. 2 min
15 Jun 2026 Spent caustic: the refinery stream nobody wants Sulphidic, phenolic or naphthenic — spent caustic is small in volume, brutal in strength, and expensive to get wrong. The treatment routes, compared. 2 min

Available for


Expert witness & dispute resolution

Expert reports and evidence for arbitration and litigation on water, wastewater and energy plant. Familiar with FIDIC, NEC/ICE, JCT and GCWorks1 claim frameworks.

Independent technical reports

Performance, compliance and condition assessments of treatment plant and networks, written to be read by lawyers and boards as well as engineers.

Due diligence

Technical review of assets, tenders and contractor claims ahead of acquisition, award or financing decisions.

Design review

Independent check of process selection, hydraulic design and contract documents before they become commitments.

Technical & engineering consultation

Advisory consultations on water, wastewater and energy infrastructure — process, hydraulics, contracts and delivery — for owners, contractors and counsel.

Engagements begin with a conflict check. Make an enquiry or write to sami.kassem@tamio-cap.com.