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Graff Academy of Health Science


About Us

Since 2000, the Graff  Academy of Health Science,  based in Atlanta has trained the next generation of leaders and teachers in holistic health and nutrition with raw vegan food. The Academy’s 1,000 graduates have gone on to successful careers as restaurant owners, raw food teachers, detox experts and nutrition consultants. In October 2016, the Graff Academy will conduct a two-week detox program in Southeast Florida.


Gideon Graff, Co-Founder, Academy Director

A native of Israel, brings 40 years in food and hospitality management to the Graff Academy as well as 16 years as a raw food chef and health coach.  

As director of the Graff Academy, Gideon oversees the Academy’s learning curriculum and business and marketing strategy that has graduated hundreds of students.  He brings significant knowledge of raw food nutrition and expertise in managing raw food businesses, including wholesale, retail and catering.  He now applies that expertise to Graff Academy’s U.S. and international students,  many of whom go on to establish their own raw food enterprises around the world.   

Gideon previously served as an instructor for Hallelujah Acres® Culinary Academy. He also was co-founder of the country’s first raw food café and learning center, the Sprout Café and Shinui Living Food Learning Center in North Atlanta. 


Katharine Clark, RN, CHC, CSAC-RDirector of Education at Graff Academy, brings 30 years of expertise in wellness and education. She trains people to regain and maintain their health though simple, affordable, natural methods of evidence-based self-care.   Rather than focusing on what people eat, she teaches them how their body works, so they can make better decisions about caring for themselves, including diet and lifestyle. She also provides instruction on how to prepare a plant-based, uncooked culinary diet. 


She graduated from the nursing program at Indiana University and is a 2013 graduate of the Institute of Integrative Nutrition (2013). She is certified in massage and hydrotherapy at the Florida School of Massage.  A former Hippocrates Health Institute certified health educator, Katharine served a director of Education at the Institute from 2009 to 2011.


In addition, she was director of the Home Self-Sufficiency  Center at Miami-Dade Community College, and developed the Wellness Program for The Farm at San Benito, Lipa, Philippines.  For the last 30 years, she has owned and served as executive director for Healthworks Enterprises, Inc. a nutrition-based wellness company.


Katharine holds certifications in iridology, reflexology, colon hydrotherapy, rebirthing and alchemical hypnotherapy.   She is currently applying for North Carolina Licensure from the Board of Nursing, which will allow her to be licensed as a registered nurse in 37 states and 17 countries around the world. She has studied Qigong for more than two decades and is certified in Wuji Qigong by Master Wan Sujian at the Beijing-based Traditional Medical Exchange Institute. 


In Memorium

Jackie Graff, Co-Founder (1945-2015)

The Graff Raw Food Academy has bid farewell to our beloved co-founder Jackie Graff, RN, one of the country’s top raw food chefs and nutrition consultants, who passed away from cancer on December 7, 2015. In her 15 years as a raw food chef, nutrition science expert and author, Jackie built a national reputation for her raw food lifestyle classes.

Jackie’ spirit and creativity live on in our Academy.  Her energy, knowledge and unique approach to raw food remain a focal point of the Academy’s courses and her example will continue to inspire our many Academy graduates, who have taken her teachings to their own communities and raw food businesses. It is our mission to honor Jackie’s lifelong passion to educate and inspire the community, and her philosophy remains at the heart of this raw food learning center. 


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