Dr. Wayne Fei is an experienced metallurgical engineer with more than 20 years of multidisciplinary expertise in welding engineering, metallurgy, corrosion engineering, and chemical engineering. He has investigated more than 500 weld-related failures across the oil and gas, petrochemical, chemical processing, LNG, power generation, refinery, and pipeline industries.

His expertise includes welding procedure specification development, repair welding for aged and in-service equipment, weldability assessments, failure analysis, root cause investigations, corrosion evaluations, material selection, and welding consumable recommendations. He has extensive experience addressing hydrogen damage, creep, fatigue, carburization, thermal aging, environmentally assisted cracking, corrosion, and other forms of service-induced material degradation.

Dr. Fei evaluates welding challenges within the complete operating environment, including temperature, pressure, fluid chemistry, flow conditions, hydrogen exposure, thermal cycling, and service history. This systems-based approach allows him to develop practical, code-compliant welding solutions designed for long-term safety, reliability, and performance.

Through Welder Testing Inc., Dr. Fei provides advanced engineering support for procedure qualification, repair planning, field metallurgical investigations, maintenance turnarounds, mechanical testing evaluation, and fitness-for-service assessments.

With over 35 years of experience in the metallurgical field, Alfred Briones brings extensive expertise to Welder Testing Inc.’s Metallurgical Laboratory. As Laboratory Manager, he oversees all metallurgical testing processes, ensuring accuracy, compliance, and quality in every analysis. His deep knowledge and hands-on experience make him a valuable resource for clients seeking reliable and precise testing solutions. Alfred is always available to assist with your metallurgical testing needs, providing expert guidance and support.

As the primary point of contact for welder qualification testing at Welder Testing Inc., Adam Cobb ensures that each welder is properly signed in and assigned the correct certification test. With a background as a welder before transitioning into quality control and inspection, Adam brings firsthand industry experience to his role. Now an AWS Certified Welding Inspector (CWI), he works closely with customers to determine their specific qualification needs and provides detailed test information to shop inspectors for administration. Adam’s expertise, attention to detail, and customer-focused approach make him a key liaison between welders, quality control teams, and the companies they serve.

Sam Chavez is the President of Welder Testing Inc., bringing nearly two decades of experience to his role as its newest leader. After 18 years of driving operational excellence within the company, Sam took the next step in his commitment to Welder Testing Inc. by becoming it’s President in 2026.

As a Certified Welding Inspector (CWI), Sam brings a hands-on, technically grounded approach to leadership. His extensive background in welding inspection, shop operations, and quality assurance gives him a thorough understanding of every facet of the business — from daily facility management to regulatory compliance and customer experience.

Under his leadership, Welder Testing Inc. remains dedicated to providing welders with a seamless, professional, and high-quality testing experience. Sam’s vision is rooted in the same principles that have guided his work for nearly two decades: operational excellence, integrity, and a commitment to the craft.