Raymond S. Ochs is a biochemist with a career-long specialty in metabolism spanning 30 years. Previously, he has written the textbook Biochemistry , contributed the metabolism chapters to another text, Principles of Biochemistry , and co-edited a collection of articles published as Metabolic Regulation . His research interests concern major pathways of liver and muscle, including glycolysis, gluconeogenesis, ureogenesis, fatty acid metabolism, glycogen metabolism, and control by cAMP, Ca2+, diacylglycerol, and AMPK. He is currently professor of pharmacy at St. John¿s University in New York, teaching biochemistry, physiology, and medicinal chemistry.