Sr. Director, Nutrition Programming

WeightWatchers

21d•Hybrid

About The Position

WeightWatchers is a global digital health company. We are the #1 doctor-recommended – and most clinically studied – behavioral weight health program in the world. For sixty years, WeightWatchers has helped millions build healthy habits and live happier, healthier lives. As the science of weight health rapidly evolves, so does WeightWatchers. Today we are developing new clinical pathways for medication access, creating behavioral programs for chronic health conditions, integrating third-party services, and enhancing product personalization. WeightWatchers has embraced technology, with our mobile app now the primary tool for most members. While we continue to perfect our digital product, we are also designing new in-person experiences. With these diverse member touchpoints, our potential for impact has never been greater. What you will do Forward-looking nutrition leader with expertise in precision nutrition, food as medicine, metabolic health, and nutrition systems at scale. Responsible for ensuring WW’s nutrition programming reflects the best current science — guiding continual evolution of WW programs to deliver best-in-class nutrition support for millions of members around the world. Works cross-functionally with Product, Data Science, and Engineering to ensure nutrition science informs AI-driven personalization engines, dynamic food databases, and LLM-supported member guidance — translating scientific evidence into practical, scalable models that members can use in daily life to deliver the best possible outcomes. This role will also lead a small, cross-functional team, ensuring strong collaboration, accountability, and alignment across internal and external partners.

Requirements

Advanced degree in Nutrition Science, Dietetics, or related field (PhD, RD, or equivalent).
Prior experience in personalized nutrition, food as medicine, metabolic health, and translating nutrition science into AI-supported product systems at scale.
Experience collaborating with Product and Engineering teams on nutrition algorithms, machine learning models, or personalization logic.
Proven ability to lead and manage a small, cross-functional team, fostering collaboration and accountability across science, product, and curriculum.
Ability to bridge cutting-edge industry science with consumer-friendly guidance, translating complex evidence into actionable member tools, curriculum, and scalable program delivery.
Strong collaboration skills across clinical, research, product, curriculum, and content teams.

Responsibilities

Lead the modernization of WW’s nutrition system, ensuring it reflects both the latest science and industry best practices while remaining practical and scalable.
Work closely with Engineering and Product teams to ensure WW’s food database and nutrient framework are maintained and optimized, translating science into algorithmic and AI-powered systems that evolve dynamically with new evidence
Collaborate with Product, Engineering, and Data Science teams to co-develop AI-driven recommendation engines, LLM-based personalization features, and adaptive feedback loops at scale.
Provide direct leadership and coaching to a small, high-performing team, establishing clear goals, feedback structures, and professional development pathways.
Embed RD and SME insights into program design, curriculum, and consumer-facing experiences.
Work closely with the Curriculum team to translate nutrition philosophy into daily habits, structured content, and coaching materials, ensuring new concepts are built into scalable program design.
Partner with Research and Marketing to support nutrition-related claims, translate scientific findings into market-ready positioning, and strengthen WW’s visibility in the industry.
Ensure alignment of nutrition guidance with broader clinical, behavioral, and program strategies to create a cohesive member experience.