Health advisors and nutritionists
Our health advisors and nutritionists are experts in their field and dedicate their work to helping communities learn healthier eating habits, eat balanced diets, and achieve their goals in sustainable ways, whether it's weight loss, a more active lifestyle, or muscle building and weight gain. Get to know our team and discover their impressive credentials.
Advisory board
Our health advisory board members have extensive experience in health and nutrition. They lend their knowledge and skillset to our team to ensure you receive up-to-date and accurate information.
Alona Pulde and Matthew Lederman
MDs, Published Authors, and Co-founders of Kinectin.com
Dr. Alona Pulde is a board-certified practitioner of Acupuncture and Oriental Medicine and Family Medicine Physician. Dr. Matthew Lederman is a board-certified Internal Medicine physician and Certified Nonviolent Communication Candidate. They specialize in reversing disease using nutrition and lifestyle medicine and created the lifestyle-improvement program used in their private medical center and Whole Foods Market Medical & Wellness Centers.
They were featured in the film Forks Over Knives, lectured for eCornell, and co-authored the New York Times Bestseller Forks Over Knives Plan, Forks Over Knives Family, and Keep It Simple, Keep It Whole.
Andrew Zimmermann
Founder, Behavior Design Collective
Andrew is a Behavior Change expert. He studied under leading Behavior Scientist Dr. BJ Fogg at Stanford University, advises research in the Behavior Design Lab, lectures on behavior change for wellbeing, and founded Behavior Design Collective to consult companies on how to change behaviors sustainably at scale.
Christina Meyer-Jax
MS, RDN, LDN, RYT
Christina is a nationally recognized food and nutrition expert, strategist, and educator! She has extensive experience and recently worked with the Google Food program as the Global Director of Food Choice Architecture and Nutrition. She is excited to partner and expands opportunities with Lifesum to empower and simplify health for their members.
Lifesum nutritionists
The in-house Lifesum nutritionists study and practice all aspects of diet, healthy living, exercise, and overall wellbeing. They put their knowledge and expertise to use in our recipes, social posts, and all other forms of communication. Get to meet our incredible team and learn more about them and their work!
Signe Svanfeldt
Food science & Nutritionist
Signe Svanfeldt is a distinguished nutritionist and food science specialist, serving as Lifesum’s esteemed Lead Nutritionist. With a wealth of expertise, she dedicates herself to empowering the Lifesum community with insights into the intricate relationship between food and its impact on both physical and mental well-being. Signe is passionately committed to assisting individuals in making informed, health-conscious dietary choices, fostering a culture of vitality and longevity. Her unwavering dedication to promoting holistic wellness through nutrition exemplifies her status as a revered authority in the field.
Samantha Peyke
Nutritionist
Samantha Peyke is a seasoned expert in metabolism and nutrition, with over a decade of experience in the field. Her expertise spans personalized nutrition strategies, metabolic analysis, holistic health approaches, and behavioral optimization to support sustainable lifestyle changes. Through her work, Samantha is dedicated to helping individuals achieve a healthier, more balanced lifestyle by aligning nutrition with their personal health goals.
Victoria Strandlund Paetz
Nutrition Partnership Manager
Victoria Strandlund Paetz is a nutrition professional with more than two decades of experience on how food affects health across different life stages. She sees nutrition as the core of a much larger, connected picture of health, working alongside movement, sleep, and mental well-being rather than standing apart from them.She believes that lasting nutritional change comes from behavioral insight, not rules. She has helped people rebuild health and confidence through everyday food choices, with behavioral change at the center of her work, realistic, sustainable eating patterns instead of rigid ones. Her approach is practical and down-to-earth, focused on making nutrition simple and enjoyable, and she now brings that same thinking to Lifesum, helping even more people feel empowered about the way they eat.
