Our Mission

Pipelines are vital to the nation’s economic well-being and are the safest and most efficient way to transport petroleum and natural gas products.  RSI Pipeline Solution’s mission is to support pipeline operators’ efforts to continuously improve the safety of their pipelines through responsible and workable engineering solutions to the complex problems they face.

About RSI Pipeline Solutions, LLC

RSI is an engineering consultancy that specializes in pipeline integrity related services for the oil & gas industry. RSI’s mission is to support the pipeline industry in efforts to continuously improve safety through responsible and workable engineering solutions to the complex problems they face. To support this mission, RSI offers a wide variety of services including integrity management, fitness for service, root cause analysis, code and regulatory compliance, stress analysis, inline inspection (ILI) analysis and validation, litigation support, and training.

The capabilities of RSI reside in its skilled personnel with expert knowledge on the issues that affect pipeline safety and reliability. Routine projects carried out by these specialists include remaining life assessments, metallurgical failure analyses, root cause failure analyses, pipeline stress analyses, and integrity assessment planning. RSI personnel have first-hand knowledge of the damage mechanisms that can affect pipeline integrity as well as the potential consequences when damage mechanisms go unnoticed. RSI’s hands-on approach allows us to provide timely and practical solutions for our client’s most pressing issues.

A brief summary of RSI personnel experience is provided below.

Meet Our Staff

RSI’s dedicated staff have decades of experience in research and consulting.

Michael Rosenfeld

Michael Rosenfeld, PE

Chief Engineer

Mr. Rosenfeld 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 90 published articles or public presentations dating to 1988, is an ASME Fellow, and is a Professional Engineer registered in the State of Ohio. He previously worked with Kiefner & Associates (27 years), Battelle (6 years), and Impell Corporation (4 years). He earned a Bachelor of Science in Engineering from the University of Michigan (1979) and a Master of Engineering from Carnegie-Mellon University (1981).

Benjamin Zand

Benjamin Zand, PhD, PE

Principal Engineer

Dr. Zand has 24 years of experience in various engineering areas including geotechnical and geohazard assessment, analytical and numerical (FEA) pipeline stress analysis, pipeline integrity assessment, mechanics of composite material, and mathematical modeling. He has analyzed numerous pipelines under geohazard loadings such as longwall mine subsidence, ground movement, sinkhole, earthquake and fault crossing. He has performed fatigue life assessment for buried and above ground pipelines subjected to vibration and cyclic loading including vortex induced vibration (VIV).  He has developed mitigation and monitoring programs for pipelines subjected to various geohazard conditions. He previously worked with Kiefner & Associates for 6 years. He earned a Bachelor of Science in Engineering from the University of Tehran (1996) and a PhD from the Ohio State University (2007).

Adam Steiner

Adam Steiner, PE

Senior Engineer

Mr. Steiner has 16 years of experience in pipeline fitness for service, integrity management, pipeline design and construction, and pipeline regulations.  He has conducted numerous pressure cycle fatigue analyses, hydrostatic test plans and volume balance leak evaluations, conducted a research project with a client to perform full scale burst tests to determine safety radii around pneumatic pressure tests, analyzed wall measurement, geometry and crack detection in-line inspection tool data for ILI validation using API RP 1163.  He has also assisted clients with Integrity Management Planning including support during PHMSA audits.  He previously worked with Kiefner & Associates (5 years) and Petersen Engineering (7 years). He earned a Bachelor of Science in Mechanical Engineering from Purdue University (2007).  He is a licensed PE in the State of Indiana and the State of Texas and is a member of the ASME B31.4 Committee.

John Kiefner

John Kiefner, PhD, PE

Senior Advisor

Dr. Kiefner provides expertise on issues that affect pipeline safety and reliability. He has conducted research on pipeline materials, the effects of defects on pipeline integrity, the benefits and limitations of hydrostatic testing, and the effectiveness of various pipeline repair methods. He has provided training for pipeline operators and for pipeline industry consortia.  He was instrumental in the development of the criterion for assessing the remaining strength of corroded pipe referred to as “B31G” or RSTRENG.  In 1990 after a 23-year career at Battelle Memorial Institute, Dr. Kiefner formed the firm of Kiefner and Associates, Inc.  He served as president and principal owner of the company until 2002, at which time a transition in ownership to the employees was begun.  He retired from the firm in 2014 but continued to work as a consultant to pipeline operators until joining RSI-Pipeline Solutions as a Senior Advisor in mid-2019.  He received a Bachelor of Science in Civil Engineering and a Master of Science in Civil Engineering from Purdue University, and a PhD in Civil Engineering from the University of Illinois.  He is a licensed PE in the State of Ohio and the State of Florida.

Stephanie Flamberg

Stephanie Flamberg

Principal Engineer

Ms. Flamberg has over 20 years of experience in project management as well as conducting technical analyses.  Her organization and communication skills play a vital role in RSI’s complicated and time sensitive projects.  Her technical expertise covers areas related to oil and gas pipeline safety & integrity, root cause failure analysis, risk assessment, hazard analysis, and pipeline regulations & standards.  Ms. Flamberg has been the project manager for several RCFAs for clients in the oil & gas industry. She previously worked with Kiefner & Associates (5 years), Battelle (11 years), and ERM (6 years).  She earned a Bachelor of Science in Chemical Engineering from the University of Cincinnati (1996) and a Master of Education, Math, Science, and Technology from The Ohio State University (2003).

Nathan Switzner

Nathan Switzner, PhD, PE

Principal Engineer

Dr. Switzner coordinates experimental design, non-destructive evaluation, and laboratory testing of pipes, pressure vessels, and other equipment. He assesses inspection technologies and evaluates microstructure and mechanical properties to contribute to engineering critical analysis, integrity management, and failure analysis. He previously worked with Exponent Failure Analysis Associates, Valero Refining, ExxonMobil Upstream Research Company, and Honeywell. He earned a Bachelor of Science in Engineering from the Missouri University of Science and Technology (2004), and a master’s (2007) and PhD (2017) from the Colorado School of Mines. He is a licensed PE in the State of California.

Cara Macrory

Cara Macrory, PE

Senior Engineer

Ms. Macrory is a mechanical engineer with 17 years of experience in oil and gas pipeline fitness-for-service; pipeline integrity; project management; root cause failure analysis; pressure test planning, evaluation, and certification; course development; and pipeline regulations and standards.

Joel Anderson

Principal Engineer

Joel Anderson is a Principal Engineer at RSI Pipeline Solutions where his duties include material verification, risk management, and ILI accuracy analysis. He has 25 years’ experience in all aspects of the pipeline industry including manufacturing, construction and has worked with many  operators throughout the United States. He has authored numerous papers about risk and data analysis and is a contributor to pipelinerisk.net. He holds a Bachelor of Science in Civil Engineering from the University of Wisconsin.

Peter Martin

Peter Martin, PhD

Principal Engineer

Peter Martin is an experienced materials engineer with over 20 years of experience in failure analysis, condition assessment, and evaluation of structure-property-process relations.  Before joining RSI, Dr. Martin held a Research Faculty position at Rochester Institute of Technology in Rochester, NY, where he investigated the application of additive methods to the repair of structural components.  Prior to that he was a Senior Materials Engineer with Pacific Gas & Electric, where he performed failure analyses on electric and gas components, and assessed fitness for service of natural gas pipelines.  Dr. Martin holds BS, MS, and PhD degrees in Materials Science and Engineering from Johns Hopkins University, has published over 30 refereed Journal articles, and holds six U.S. patents.

Bill Amend

Bill Amend, P.E.

Senior Advisor

Mr. Amend has provided metallurgical engineering services to the energy industry (oil & gas production and pipelines and geothermal energy production) since 1979. He previously worked with DNV (12 years), Structural Integrity Associates (5 years), Southern California Gas Company (14 years) and Unocal Corporation (12 years).
His areas of expertise include failure analysis, integrity management of early vintage steel pipelines and pipeline welds, in-situ, nondestructive determination of pipe properties, development and review of welding procedures for in-service pipelines and pipeline repair, materials selection for hydrogen pipelines, materials testing and selection for severe geothermal environments, and technical training. He has served in various leadership roles in subcommittees of API 1104 and has managed and conducted several research projects for PRCI, earning the Distinguished Service Award from PRCI in 2002. He is co-holder of three U.S. patents related to control of corrosion in geothermal systems.
Mr. Amend is a Professional Engineer registered in the State of California. He earned a Bachelor of Science in Metallurgical Engineering from Cal Poly, San Luis Obispo.