Matthew Cotton is the owner of Integrated Waste Management Consulting, LLC (Nevada City, California). He has over twenty-five years of experience in solid waste management planning, permitting, policy, regulatory compliance, and composting. During this time, he has worked as a consultant, educator, researcher, and advocate for new and expanded organics recycling and composting programs in California and beyond.

In over 25 years of work, Matthew has completed hundreds of significant solid waste projects, including permitting and assisting in the development of some of the major composting facilities in California. His company serves public, private, and institutional clients.

Matthew has served on the US Composting Council Board of Directors since 1999, he was elected President of the Board in 2006, 2007, and 2008. He also serves on the Board of Directors of Californians Against Waste. He has published research on compost odors, compost use, climate impacts, compostable plastics, and compost facility infrastructure. He also teaches compost facility operator training and related courses for the US Composting Council, the Solid Waste Association of North America, the California Resource Recovery Association, and others.