Elizabeth Cassin is a building enclosure expert with extensive experience with building enclosure commissioning and peer review services, condensation investigation and mitigation, hygrothermal analyses, and water leakage investigation and mitigation. Her specific expertise includes the evaluation of building enclosures with respect to their control of and response to environmental loads, including the performance of curtain wall and window systems, sloped glazing and skylights, cladding systems, air barriers, and insulation. Elizabeth also performed investigations and condition surveys on numerous building types for a variety of building enclosure systems. Such investigations oftentimes result in the development of repair designs to remediate distressed or defective building enclosures. Ms. Cassin has been with Wiss, Janney, Elstner Associates since 2003, and she is currently Principal, Associate Director of Project Operations, and Midwest Region Director. She is a licensed architect in Illinois, Iowa, Kentucky, Alabama, Michigan, and North Carolina.