John Paul Segers is the founder and Principal Consultant of SegCorr Ltd, with 29 years of international experience in corrosion control, cathodic protection design, and infrastructure life-extension engineering.

He is a Chartered Engineer (CEng), a Fellow of the Institute of Corrosion (FICorr), a Fellow of the Institute of Materials, Minerals and Mining (FIMMM), and holds a Master’s degree in Corrosion Control Engineering.

John Paul is one of a small number of UK practitioners certified to BS EN ISO 15257 Level 5 Cathodic Protection Expert for Reinforced Concrete Structures, the highest competence level defined in the international standard.

He also holds BS EN ISO 15257 Level 4 Specialist status across all other CP sectors, and is a NACE/AMPP Certified Corrosion Specialist and Certified Cathodic Protection Specialist (CP4).

His technical expertise covers cathodic protection design, corrosion prevention and control, deterioration and failure investigation, whole-life planning, and infrastructure life-extension strategy.

He is also provides independent CPD-accredited online CP and corrosion training, in-person industrial presentations, and university teaching.

Director, SegCorr Ltd | Cathodic Protection & Corrosion Specialist

Profile Overview
Chartered Engineer (CEng) and global authority in corrosion engineering with 29 years of experience. Expert in the diagnosis and electrochemical remediation of steel in concrete, buried pipelines, and immersed infrastructure.

Leveraging decades of senior technical leadership, Mr Segers is starting to offer independent expert witness and litigation support services.

Dual-certified under BS EN ISO 15257 with elite credentials:

• Level 5 Cathodic Protection Expert (Reinforced Concrete)
• Level 4 Cathodic Protection Specialist (All Sectors: Buried, Marine, Immersed, Concrete)

Providing technical depth to legal instructions through objective technical audits, compliance verification, and forensic engineering assessments.

Areas include:

• Electrochemical Mitigation: Advanced Impressed Current (ICCP) & Galvanic Anode (GACP) systems.
• Forensic Asset Evaluation: Condition assessments, failure investigations (bridges, marine structures).
• Stray Current Control: Mitigating DC metro rail interference on reinforced concrete.
• Standards & Compliance: Active committee member of BSI GEL 603, CPA, and AMPP (NACE).

Expert Services:

• Forensic Failure Investigations & Technical Reporting.
• Third-Party Design Reviews & QA Installation Audits.
• Pre-Litigation Advisory for Construction Claims & Deficiencies.