Marlene Koch is a registered dietician, a professional cooking instructor and nutrition educator who specialises in good food and health. Her clients include the American Culinery Federation (the national association of chefs), the American Diabetes Association, and numerous cooking schools. She lives in San Francisco and is on the web at www.marlenekoch.com.

Marlene Koch is a registered dietician, a professional cooking instructor and nutrition educator who specialises in good food and health. Her clients include the American Culinery Federation (the national association of chefs), the American Diabetes Association, and numerous cooking schools. She lives in San Francisco and is on the web at www.marlenekoch.com.

Marlene Koch is a registered dietician, a professional cooking instructor and nutrition educator who specialises in good food and health. Her clients include the American Culinery Federation (the national association of chefs), the American Diabetes Association, and numerous cooking schools. She lives in San Francisco and is on the web at www.marlenekoch.com.