Nathan Sanders brings over 20 years of professional experience in building forensics and building systems interactions, focusing on failures that result in microbial, bacteria, and IAQ issues. Professional organizations, including ASHRAE, AIHA, and NIH, seek his knowledge of the design, construction, and building materials to industry partners as an expert on the interactions and issues that arise when building components fail. Across the US, his expertise has been provided to multi-family/student housing developers, totaling $1B+ in construction. He has also provided his expertise to Hyatt Hotels International with $300MM in renovations and temporary housing manufacturers involved in a $145MM+ contract supplying 3000+ housing units to FEMA. In addition, he has been involved with a UNC Wilmington post-Hurricane Florence $150MM+ claim and with $5M in Legionella mitigation for an extensive healthcare system. As an expert witness, he has provided services for clients pursuing and defending claims related to mold, bacteria, and chemical issues that have arisen in the building environment. These matters have included a contractor builder’s risk claim for a $60 Million water intrusion mold problem, a $15 Million developer claim against the contractor for negligent remediation, and a $10 Million homeowner association claim against the designer for a defective design.