I started Process Profiles, an environmental consulting business, in 1995. Many of my clients need help with understanding emissions and releases that are technically difficult to estimate, or they want help with determining which substances or processes should be the focus of reduction and/or substitution efforts. My clients range from local to international and include manufacturers, non-profits, and government agencies. I have extensive experience in emission inventories, technology evaluation, selection of alternative substances, prioritization of contaminants, and environmental fate modeling. For many years, I've been a regular member of technical peer review panels for EPA scholarships and SBIR grants. I taught an upper division/graduate student elective on pollution prevention in the chemical engineering department at California State University, Long Beach for two years and have co-authored many handbooks, textbooks, and other teaching and outreach materials.