Yanguo Ma, Ph.D is chief environmental scientist at PCDworks. He is a scientist with a long career in environmental engineering. Ma received his doctorate degree in food/biological engineering, waste conversion and management from Utah State University. He also has an ME in food science and engineering and a BE in cereal science and engineering. Dr. Ma has most recently been recognized for his work in environmental sciences by the American Academy of Sciences. For more information, visit PCDWorks (www.pcdworks.com) and Active Water Solutions (www.activewatersolutions.com).