Drew Lindemann is a Professional Engineer registered in multiple states, with a group of like minded associate engineers registered in all 50 states.  Mr. Lindemann started his career in the civil engineering field by working alongside the city engineers in southwest Michigan.  After moving to the Dallas-Fort Worth area, Mr. Lindemann began working in the structural engineering field for Vistawall Architectural Products (now Oldcastle Building Envelope) in Terrell, Texas.  Drew expanded his knowledge of curtainwalls and skylights during this time and brought those talents to Engineered Glazing Systems and Childress Engineering Services, where he provided design, consulting, field forensic evaluations and testing for numerous projects in the commercial building arena.  Mr. Lindemann then accepted a position with Envista Forensics, LLC (formerly PT&C Forensics) with the primary role of forensic evaluations of commercial and residential structures to determine the causation and extent of damage resulting from various causes including: wind, hail, snow, construction defects, tornadoes, earthquakes and responses to catastrophic events beginning with Hurricane Katrina in 2005 and through every major weather event since.  Drew has been a leader in the curtainwall industry for 20+ years and has been retained and/or deposed  and provided court testimony as an expert witness for multiple legal cases.