A licensed Professional Engineer and Certified Fire and Explosion Investigator, Mark Fecke leverages his experience and expertise to solve complex technical problems involving various types of combustion, mechanical, or fluid handling equipment or systems. These engineering evaluations, root cause or failure analyses, origin and cause investigations, or risk assessments have involved the design, commissioning, operations, and/or maintenance of utility, industrial, commercial or residential system including boilers, heat exchangers, pressure vessels, combustion equipment, fluid handling systems and other types of thermal and mechanical systems.

Mr. Fecke has applied his experience in a wide range of industries, including power generation, utility and industrial plant system commissioning, combustion equipment, fire and explosion investigations, fluid and bulk solid handling, and pressure vessel and general mechanical engineering failure analysis.

Mr. Fecke has been presented as an expert and advised clients in various adjudicatory venues, including federal court, state courts, mediation, and international arbitrations. For his exceptional work as an expert witness in litigation, Mr. Fecke received Lexology Index’s 2023 Client Choice Award, and was the exclusive winner of the publication’s 2022 and 2024 Client Choice Award for Construction Expert Witnesses in the USA.

In addition to serving as a member of the American Society of Mechanical Engineers (ASME), National Fire Protection Association (NFPA), and National Association of Fire Investigators (NAFI), Mr. Fecke is also a part of the following associations: 

• Principal Member: ASME Board on Safety Codes and Standards, effective August 2017 
• Chair & Principal Member: Technical Committee on Stoker Operations, NFPA 85 Boiler and Combustion Systems Hazards Code, National Fire Protection Association International, effective July 2006 
• Principal Member: Technical Committee on Pulverized Fuel Systems, NFPA 85 Boiler and Combustion Systems Hazards Code, National Fire Protection Association International, effective July 2006 
• Principal Member: Technical Committee on Fundamentals of Combustion, NFPA 85 Boiler and Combustion Systems Hazards Code, National Fire Protection Association International, effective March 2014 
• Alternate Member: Technical Committee on Single Burner Boilers, NFPA 85 Boiler and Combustion Systems Hazards Code, National Fire Protection Association International, effective August 2015 
• Principal Member: ASME CSD-1 Standard, Controls and Safety Devices for Automatically Fired Boilers, effective March 2011 
• Principal Member: ASME TES-1 Standard, Safety Standard for Thermal Energy Storage Systems: Molten Salt, effective October 2019 
• Principal Member: ANSI/HI 14.4 Rotodynamic Pumps Installation, Operation and Maintenance