Instructor's Summary

Mr. John Rohrer


Mr. John Rohrer is a Senior Instrumentation & Electrical Engineer with over 20 years of extensive experience within the Oil, Gas, Refinery, Petrochemical, Power and Utilities industries.  His expertise extremely covers Process Control & Instrumentation, SIS, SIL, ESD, DCS, PLC, SCADA, Fieldbus System, Process Control System, Process Analyzers, Vibration Machinery, Equipment Calibration, CBT LMS, RTU, MTU, Control Loop, Crude Metering, Bentley Nevada Vibration, CO2 Analyzers, pH Analyzers, Inline GC Analyzers, Spectrophotometers, GE Mark Series, Honeywell TDC 3000, AutoCad, Microstation, Hy-Bon Recompressors, Holt Energy Gas Compressors, Solar Turbines, Controllers, Valves, Carbon Black Dryers, Pneumatic Tubing, Compressors and Transmitters. Further, he highly specializes in NEC (National Electrical Code), NESC (National Electrical Safety Code), High Voltage Electrical Safety, OSHA, NFPA, EN Standards, ATEX, Electrical Power System, Power Generation, Transformers, Protection Relays, Cables & Bus Bars, Circuit Breakers & Switchgears, P&ID’s, Standards & Codes, Electrical Drawings & Wirings, Electrical Calibration, Ground Grid Testing, Soil Resistivity Testing, ABB Steam Turbine, ISO 9000 Certification, Operational Integrity Management Systems (OIMS) and Competency Assurance Standard (CAS).

During his career life, Mr. Rohrer has gained his comprehensive experience through various demanding positions such as a Subject Matter Expert (SME); Instrumentation, Electrical & Mechanical Assessor Trainer; Technical Consultant & Instructor; Maintenance Trainer; OJT Instrumentation Instructor; Instrumentation, Electronics & Electrical Consultant; Instrumentation & Electrical Inspector; Electrical Inspector & Programmer; Associate Engineering Specialist; Team Leader; Instrumentation Technician; Laboratory Technician; Instrumentation & Electrical Technician; SCADA Technician; Principle Training Specialist; Training Management Information Specialist (TMIS) and Student Instructor to various industries in United States, Europe and the Middle East.  He has imparted his practical experience and in-depth knowledge to numerous companies globally including the PDO, Chevron, Tatweer Petroleum, ExxonMobil, BOP Exxon, Brunel Energy, Crescendo Energy, Aubrey Silvey Substation Construction, North American Energy Services, Mustang Station Power Plant, Southern Natural Gas, El-Paso Energy, BCCK Engineering, General Physics, Wood Group, TPL, M&H Enterprises, KTI-Fish Corporation, J.M. Huber Corporation, Port Noma, Ciba Vision Corporation and Lee College.

Mr. Rohrer has Bachelor degrees in Instrumentation and Electronics Engineering from the Lee College Baytown (USA). Further, he is a Certified Instrumentation, Electrical and Mechanical Assessor Trainer from the ExxonMobil and obtained certifications from BOISET and HEUT.