Regional Regulatory Engineering Manager

Marguerite (Maggie) Carroll is the Regional Regulatory Engineering Manager for Underwriters Laboratories (UL) where she manages a team who support Authorities Having Jurisdiction (AHJs) including Environmental and Public Health Officials across North America. In her 32 years working with UL, Ms. Carroll has developed and/or managed UL programs in a variety of areas including UL’s water program (safety, performance and sanitation), food equipment, electro-plumbing products, HVAC, above and below ground flammable liquid tanks/piping, hazardous chemicals and testing of materials for a variety of properties including chemical, mechanical and electrical. She is actively involved in several Model Code Technical Committees including the International Residential Code and has published several articles related to her work. She has a dual Bachelor of Science degree in Chemical and Mechanical Engineering and has been honored by UL by indoctrination into the William Henry Merrill Society as a Distinquished Member of Technical Staff. Although she currently resides in the Silicon Valley area (where she in known to cheer for the Golden State Warriors), she grew up in Southern California and remains an avid LA Lakers fan. She can be contacted at

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