Matt Williams is a Vapor Intrusion Specialist for the development and implementation of methods used to investigate and assess vapor intrusion issues for the Remediation and Redevelopment Division of the Michigan Department of Environment, Great Lakes, and Energy (EGLE). He is a Geologist, with more than 18 years of experience in both the public and private sectors, working on a wide variety of projects across the United States. He has drafted several guidance documents and standard operating procedures for EGLE. Additionally, he has given numerous training seminars and talks on soil gas methods and vapor intrusion for stakeholder groups and consultants. He co-led the ITRC 2-day classroom training on Petroleum Vapor Intrusion and is a trainer in both the 2-day classroom and Internet-based training. More recently, he has served as a Team Leader for ITRC Vapor Intrusion Mitigation Training (VIMT) Team. Mr. Williams earned a Bachelor of Science degree in Geology, from Central Michigan University, in 1993.