John Kerner

Dr. John Kerner is a Professor of Pediatrics (Gastroenterology) at the Lucile Packard Children's Hospital

His Clinical Focus is Pediatric Gastroenterology, Nutrition, and Hepatology 

His Academic Appointments include:
• Professor - Med Center Line, Pediatrics - Gastroenterology
• Member, Child Health Research Institute

His Professional Education includes:
• Fellowship: Stanford University School of Medicine Registrar (1979) CA
• Residency: Stanford University School of Medicine Registrar (1976) CA
• Medical Education: University of California at San Francisco School of Medicine (1973) CA
• Board Certification: Pediatric Gastroenterology, American Board of Pediatrics (1990)
• Board Certification: Pediatrics, American Board of Pediatrics (1979)
• Internship:Stanford University School of Medicine (1974) CA

Jo Ann Hattner

Jo Ann Hattner is the author of Gut Insight: Probiotics and Prebiotics for Digestive Health and Well-Being, written with Susan Anderes, a medical librarian. In the book, she endeavors to provide a scientifically-based user-friendly guidance for both the consumer and the health professional.

• Nutrition BS degree from University of Idaho
• Master's degree in Public Health from the University of California at Berkeley
• Registered Dietitian credentials
• Over thirty years experience practicing nutrition at Stanford Medical Center and in the dynamic environment of the San Francisco Bay Area.