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Anna Sommerfeld

M.Sc. in Molecular Biology, Senior Expert in Pharma & Medtech

Anna Sommerfeld is a molecular biologist by training and has more than 25 years of experience in the pharmaceutical industry, including roles at AstraZeneca, Roche and Gilead Sciences. As the founder of Mealsizer®, she has spent the past 14 years working closely with both obesity and eating disorder care, translating research into practical solutions for better health.

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Anna Sommerfeld holds a Master’s degree in Molecular Biology and has more than 25 years of experience in the pharmaceutical and medtech industries, including senior roles at leading companies such as AstraZeneca, Roche and Gilead Sciences. She has extensive experience working across therapeutic areas including infectious diseases, cardiometabolic conditions, CNS and nutrition, collaborating with both medical and commercial teams to translate scientific evidence into practice and making complex science accessible through clear communication. Anna is also the founder of Mealsizer®, an evidence-based portion control and nutrition tool, and for the past 14 years she has worked closely with obesity and eating disorder care, promoting healthy eating habits and nutritional interventions

Articles by

Anna Sommerfeld

Yazen at NOM2026: Strengthening Evidence-Based, Personalised Obesity Care Through Digital Innovation

At Nordic Obesity Meeting 2026 (NOM2026) in Stockholm, Yazen Presented New Real-World Data demonstrating how Digital, Personalised Obesity Care can Improve Long-Term Treatment Outcomes.

High-Volume Patient–Caregiver Interactions in a Fully Digital Obesity Care Model

This real-world analysis quantifies patient–caregiver interactions in a fully digital obesity care model with unlimited follow-up.

Summary

Across 156 weeks, 7.7 million messages were exchanged between 50.414 patients and a multidisciplinary team (mean 5.5 per patient/week), and 2.3 million weight entries were logged, highlighting how a fully digital care pathway enables continuous patient engagement and sustained self-monitoring over time.

Men's Challenges with Obesity & Comorbidities: The Impact of Psychological and Societal Factors

Obesity in men extends beyond physical health—it intertwines with psychological and societal pressures that shape behavior, self-image, and overall wellbeing.

Testosterone, Obesity and Men's Health: Role, Health Impact, and Treatment Options

Obesity significantly impacts men’s hormonal health — particularly testosterone — increasing risks of fatigue, weight gain, and chronic disease; understanding this connection is key to effective treatment and long-term wellbeing.

Weightloss: Men’s Health Challenges Related to Overweight and Obesity – Comorbidities and Complications

Excess weight affects men’s physical, hormonal, and mental health in complex ways—understanding these challenges is key to achieving sustainable weight loss and improved wellbeing.

Understanding the Far-Reaching Risks of Obesity in Men: A Comprehensive Overview

Obesity in men is more than a weight issue — it’s a complex medical condition with far-reaching health risks. From heart disease and liver problems to hormonal and psychological effects, understanding these connections is key to effective prevention and management.

Small Reduction, Big Impact - Unlocking the Powerful Health Benefits of Weight Loss for Men

Many men think major weight loss is needed for real results, but even small reductions can greatly boost heart health, hormones, and overall wellbeing.

Yazen at European Congress on Obesity (ECO) 2025: Pioneering Modern Obesity Treatment through Digital Innovation

At ECO 2025 in Malaga, Yazen unveiled digital solutions and personalised strategies that are revolutionising obesity management and enhancing outcomes.

Fertility & Pregnancy: A Guide for Overweight Women

At Yazen, we focus on helping women lose weight — a key factor in improving fertility and increasing the chances of pregnancy — through expert, personalised care.