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Aaron has over 20 years of professional experience on large-scale new construction projects, including design review of architectural drawings and specifications, subcontractor shop drawing submittals, structural calculations, thermal modeling, laboratory mock-up testing, quality assurance observations, and quality control testing. He is well versed in factors affecting appearance, performance, and fabrication limitations of high-performance architectural glass.


Aaron also specializes in forensic investigations for water penetration, air leakage, condensation, structural failure, and movement related issues for various building material types and exterior wall systems. He has prepared reports, repair drawings, and technical specifications as well as expert witness testimony for building envelope related issues. Additionally, he has performed pre-purchase condition assessments for a variety of exterior wall systems and building occupancy types.


Prior to RosenBEC, Aaron worked as a Technical Services Manager for a leading fabricator of high-performance architectural glass as well as an Architectural Engineering Consultant for a highly respected nationwide building enclosure consulting firm.  In these roles, he has worked on monumental buildings throughout North America, as well as internationally.  In his leisure time, Aaron enjoys spending time with his wife and two children, volunteering in the community, traveling, and playing golf.


University of Kansas – Bachelor of Science in Architectural Engineering

University of Kansas – Master of Science in Architectural Engineering


  • Professional Engineer (PE)

  • IIBEC Registered Exterior Wall Consultant (REWC)

  • FGIA FenestrationMaster (FMPC)

  • Building Enclosure Commissioning Process Provider (BECxP)

  • Accredited Commissioning Authority + Building Enclosure (CxA+BE)


  • CSI Construction Documents Technologist

Practice Areas

  • Design Reviews

  • Technical Specifications

  • Laboratory Performance Testing

  • Field Quality Control

  • Condition Assessments

  • Forensic Investigations

  • Repair Design

  • Glass and Glazing

  • EIFS

  • Stone

  • Masonry

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