Mark Ruefenacht

Biography

Mr. Ruefenacht has specialized in metrology for nearly 30 years.   He received much of his metrology training at the National Institute of Standards & Technology (NIST) and is currently a part-time instructor at NIST on topics of measurement science, measurement traceability, and measurement uncertainty. Mr. Ruefenacht is an ISO/IEC 17025 accreditation lead and technical assessor and is also coordinating, analyzing, and reporting proficiency testing for NIST. Mr. Ruefenacht is a contributor to numerous national and international technical standards, including accreditation body policies and guidance documents.  Additionally, he is an instructor for NIST OWM technical measurement parameters and ASCLD/LAB forensic metrology and uncertainty seminars and courses.  He also teaches principles of measurement uncertainty and measurement assurance techniques at various international conferences and forensic laboratories. Mr. Ruefenacht serves as a consultant to Scientific Working Groups (SWG) and to various accreditation bodies. Mr. Ruefenacht resides in the San Francisco Bay Area.  He is actively involved as a volunteer in nonprofit organizations and is an internationally recognized assistance-dog and canine scent-discrimination trainer. 

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