The Future of Health Will Be Personalized

And genetic testing is the tool that will make it possible.

Our mission is to bring the incredible power of genetic testing to the world.

We’re a genetics-based foundational health company that combines advanced genetic testing, nutrigenomic education and a global network of accredited practitioners to help people listen to their bodies and make sound, daily choices to live longer, healthier and better lives.

Meet Our Leadership Team

Dr. Yael Joffe Phd

(Founder and Chief Science Officer)

Yael is globally acknowledged as a leading expert in the field of nutrigenomics. In 2000, she was part of the team that built the first lifestyle genetics test, and since then has been responsible for the building of many others. She is the author of four books, The Power of Genetics, It’s Not Just Your Genes, Genes to Plate, and the SNP Journal. Yael has been published in multiple peer-reviewed scientific journals, hosts the Power of Genetics podcast, and is a highly regarded speaker in genetics. Yael built the first online nutrigenomics platform for clinician education and has developed and supervised genomics courses around the world. She has trained thousands of healthcare practitioners globally, also teaching at Rutgers University and the Maryland University of Integrative Health. In 2018, Yael founded 3X4 Genetics and now serves as its Chief Science Officer.
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Mariette Conning MEng

(Head of Engineering and Technology)

Mariette loves to build novel technologies by cross-pollinating solutions from different application fields. With a Master’s degree in biomedical engineering, she has over 18 years of experience in technical fields ranging from smart prosthetics, biosensor development, wearable devices, algorithm development, and health data modeling. Mariette is a creative solutions architect and deep thinker, who enjoys solving complex problems to deliver business value. Mariette mentors other engineers and data scientists, through creating a friendly space for innovation. As an avid triathlete and mountain biker, she understands her own health and fitness data at a deep level, and applied it in qualifying for the 2019 Ironman 70.3 World Championships.
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Gerrida Uys PhD

(Head of Product)

After obtaining a PhD in human genetics, and postdoctoral training at Harvard Medical School, Gerrida made a career jump from academia to apply her skills to real world applications. She brings more than 10 years of experience in bio- and health tech product development to 3X4, with a big focus on health and fitness products. Thriving at the intersection of science, technology and design, Gerrida’s mission is to elevate human health and performance through cutting edge, yet simple, solutions. She continuously strives to build and lead successful high performing teams to accomplish a joint vision. In her free time, Gerrida is an endurance junkie, who has earned national colors in triathlon and competed in two world championship events.
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Candice Archontakis RD(SA)

(Head of Education, Community & Marketing Operations)

As the first student to complete Advanced Manuka Translational Nutrigenomics course, Candice left her full time dietetics practice to head up 3X4 Education, helping other practitioners embrace and master this amazing field. Candice guided students on the science, while training practitioners to use and interpret the 3X4 Blueprint in clinical practice. This inspired Candice and team to launch the 3X4 Community in 2021 – a first-of-its-kind interactive platform for practitioners to learn, engage and share their nutrigenomics journey with likeminded practitioners. Candice loves learning and is currently studying for her IFNA qualification. When not studying, she loves spending time with family and friends, and is an avid yoga student with a newfound interest in cycling.
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Annelie Smith RD(SA) IFNCP

(Head of Clinical and Mentorship)

Annelie is one of the most recognized international experts in the field of nutrigenomics today. Over the past 15 years, she has translated thousands of genetic reports into clinical practice. As an accomplished certified clinician, her experience ranges from critical care, to wellness support for executives, to sports nutrition for elite teams and athletes. Being part of the 3X4 team from the very beginning, Annelie heads up Clinical and Mentorship, and mentors the company’s business partners. Her ultimate goal is to influence as many people possible to make meaningful nutrition and lifestyle choices for longevity and a better quality of life. In her free time, she enjoys wild, long-distance cold water swimming – a metaphor for her personal ambition to push the limits past her comfort zone and to go the extra mile.
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Our Team

3X4 Genetics is headquartered in Seattle, Washington, with offices in Cape Town, South Africa. We’ve built an all-star international team of bold, optimistic and passionate people who want to unlock their potential and grow in every direction. We’re obsessed with our customers and are here to help them reach their goals. Whatever they may be.

Connect with us on LinkedIn where we post our job vacancies