Sergio Limón is a Sr. Engineering Advisor with Blade Energy Partners responsible for developing, implementing, and executing strategic integrity management programs for gas and liquids pipelines, as well as performing fracture mechanics based structural evaluations, fatigue assessments and failure analyses. Sergio has worked in the oil & gas pipeline industry for more than 22 years with emphasis on pipeline integrity threat analysis and response. He was employed for 10 years with a large owner and operator of natural gas transportation pipelines where he led for six years the Asset Integrity group for the western division responsible for the analysis, response, and remediation of integrity threats. Sergio holds B Sc. and M Sc. degrees in Mechanical Engineering with emphasis in fracture mechanics and materials from the University of Utah.

Michael J. Rosenfeld, PE – RSI Pipeline Solutions LLC, is an experienced consultant in pipeline fitness for service, pipeline integrity, pipeline design and construction, causes of pipeline failures, pipeline regulations and standards, and related matters. He has performed numerous pipeline failure investigations and root cause failure analyses; research funded by the pipeline industry on the effects of mechanical damage, fatigue, pipeline integrity threat interactions, and methods to determine the probable grade of undocumented pipe materials; engineering analyses of a broad range of design, operations, or integrity matters for numerous pipeline operators; and provided expert support in litigation. He chairs the Subgroup on Design, Materials, and Construction of the ASME B31.8 Gas Transmission and Distribution Piping Committee and serves on other ASME piping standards development committees. Mr. Rosenfeld has authored or co-authored over 100 published articles or public presentations, is an ASME Fellow, and is a Professional Engineer registered in the State of Ohio. He earned a Bachelor of Science in Engineering from the University of Michigan (1979) and a Master of Engineering from Carnegie-Mellon University (1981).