Professionals and Practitioners

Dr. Margaret Gennaro 

Posted in Professionals and Practitioners

(VA) Margaret Gennaro, MD, NMD, FAAP,
10560 Main Suite PH 1
Fairfax, VA 22030
Contact by email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Stacey Oberst Peterson, MS, RD

Posted in Professionals and Practitioners

Registered Dietitian specializing in dietary interventions & supplements for autism. Private practice in Maple Valley, WA.
Contact at This email address is being protected from spambots. You need JavaScript enabled to view it.

Cheryl Harris, Registered Dietician

Posted in Professionals and Practitioners

A Registered Dietitian and nutritionist specializing in the GF/CF diet. Due to allergies, I've been GFCF myself for years, and have worked with a variety of children and adults with various challenges. I enjoy seeing the big difference dietary changes can make!


The content on this website is not to be taken as medical advice. We have gathered information here so that you can make an informed decision in partnership with your medical practitioner.

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Lisa S. Lewis, Ph.D.

Lisa S. Lewis, Ph.D. Lisa S. Lewis, Ph.D. is the author of Special Diets For Special Kids I & II, the foremost books on gluten and casein-free diets for children with disabilities.

Karyn Seroussi

Karyn Seroussi Karyn Seroussi is the author of Unraveling the Mystery of Autism and PDD, the story of her son's autism recovery through dietary and other biomedical interventions.

Helping since 1995

Together Lewis and Seroussi created the Autism Network for Dietary Intervention (ANDI.) Since 1995, ANDI has been helping and supporting parents using dietary and biomedical interventions for autism spectrum disorders. Last year, Lisa and Karyn again joined forces and put the sum of their knowledge in a new book, The Encyclopedia of Dietary Interventions. They continue to write and speak on the topic of dietary intervention, and to support other parents around the world.