Len Anastasi has worked in the construction industry for over 30 years in masonry, waterproofing and restoration work. He currently owns EXO-TEC Manufacturing, Inc. which manufactures specialty construction products, EXO-TEC Solutions, Inc. which performs marketing work for various quality and innovative manufacturers of construction products and EXO-TEC Consulting, Inc. which performs consulting services on building enclosure issues for building owners, managers, design professionals and lawyers. In his construction and consulting work, he has performed inspections and / or repairs on over 300 buildings as well as giving expert testimony in trials and reviews on dozens of legal cases.

He is a member of ASTM’s E 06 Committee on Building Performance where he has authored both proposed standards as well as proposed changes to existing standards. He is a member of the Boston Society of Architects’ Building Enclosure Council where he has presented on several topics and has been sponsored to speak at the Build Boston Exposition, AIA National Convention and CSI National Convention. He has authored several articles and papers on building enclosure performance and has spoken on these topics at several conventions, seminars and meeting. He is a past President of the Air Barrier Association of America and current Director as well as a member of the Construction Specification Institute ( CSI ) and the International Concrete Repair Institute ( ICRI ). He is also a guest lecturer at the Boston Architectural Center.