Dr. Yael Joffe PhD, RD, FACN

Chief Science Officer at 3x4 Genetics

Dr. Yael Joffe, PhD, RD, FACN, is a distinguished expert in the field of nutrigenomics, blending her experience as a dietitian with her scientific expertise to pioneer advances in genetic-based nutrition. Dr. Joffe obtained her PhD from the University of Cape Town, focusing on the genetics of obesity, and has become a leading voice in translating nutrigenomic science into clinical practice worldwide.

Dr. Joffe's career is marked by her significant contributions to education and research. She is an Adjunct Professor at Rutgers University, where she teaches nutrigenomics, and has founded an educational company dedicated to advancing nutrigenomic knowledge among clinicians globally. She has authored three influential books: It's Not Just Your Genes, The SNP Journal, and Genes To Plate, and her work is frequently cited in peer-reviewed journals.

In addition to her academic and professional achievements, Dr. Joffe has developed several nutrigenetic tests, with her latest creation, 3X4 Genetics (http://3x4genetics.io), being a testament to her commitment to providing tools that harness the power and ethics of nutrigenetics effectively. She envisions this test as setting a new standard for practitioner tests globally.

Dr. Joffe is also a devoted mother to two children, Hannah (9) and Jack (5), and shares her home with two dogs and three cats. Her diverse interests from professional to personal life depict a well-rounded individual dedicated to making significant impacts in both her field and family life.

Live Classes

Genetics & Epigenetics: Turning Insight into Action
August 16, 2023
Register to Watch
Watch the Class
How to use Genetics to determine the best Functional Test – The Chicken and the Egg
November 9, 2022
Register to Watch
Watch the Class
The Power of Genetics: How to Use the 3X4 Genetics Test + Blueprint Report
April 6, 2022
Register to Watch
Watch the Class

Mentorship Programs

Open Enrollment
Rupa Mentorship Program
Nutrition Mentorship Program
Master food-as-medicine protocols, learn advanced nutrient lab testing, and create the ultimate nutrition-focused practice!
No items found.
Learn More
Open Enrollment
GI-Health Mentorship Program
Become a gut health expert! Gain the skills and confidence to help your patients truly heal from conditions like SIBO, IBS, H. pylori and more. We’ll help you take your practice to the next level with 1:1 expert support, virtual group sessions, and more!
Cohort 1
• Meets
Cohort 2
• Meets
Cohort 3
• Meets
Learn More


No bootcamps yet.
Stay in the know

Get notified about new bootcamps, mentorships, and live classes.

Thank you! You'll be notified about new bootcamps and live classes!
Oops! Something went wrong while submitting the form.