Vince Elliott is Founder and CEO of The Chemical Free Cleaning Network, located in Baltimore, Maryland. Vince has worked as a consultant and advisor to the cleaning industry since 1973. He is one of the first to apply the concept of “performance based contracting” and to use the cleaning measurement sciences in the real estate industry. Vince has helped negotiate over 530 building service contracts, for cleaning services worth nearly half a billion dollars. A graduate in Economics from Towson University, Vince has a Master of Health Sciences from Johns Hopkins University. He has been a university professor teaching service management strategies and has received numerous awards, including the prestigious Apgar Award for Excellence from the National Association of Corporate Real Estate Executives (NACORE), and the Outstanding Service Award from Cleaning Management Magazine. Vince is author of the book EXTREME GREEN CLEANING, with its second edition appearing soon.