Cheryl is a senior engineer at Simpson Gumpertz and Heger in New York.  She specializes in the design and evaluation of building enclosures as well as investigations and renovations to existing building enclosure systems. Her background is in building science, including computer simulations of buildings and building components. She is adept at using multiple computer software packages to perform thermal and hygrothermal analyses of building details, and whole-building energy and daylighting analyses. Cheryl is a Certified Passive House Designer from the Passive House Institute.