10× World Champion. Chief Fueling Officer at Fuelin. 🐐
We’re proud to have Daniela Ryf, widely recognized as the GOAT of women’s triathlon, as part of Fuelin as our Chief Fueling Officer. Known to fans as the “Angry Bird” for her fierce focus and unstoppable drive, Daniela is a five-time IRONMAN World Champion and five-time IRONMAN 70.3 World Champion, one of the most dominant and consistent athletes in endurance sports history.
Beyond her unparalleled racing career, Daniela has always been deeply curious about how nutrition and fueling shape performance. She studied Food Sciences & Management at HAFL (School of Agricultural, Forest and Food Sciences) in Switzerland and has long explored how precise fueling can elevate recovery, performance, and longevity.
How it started
Daniela and Scott Tindal, Fuelin’s Co-Founder and Chief Nutrition Officer, first connected over their shared passion for nutrition and fueling. Their conversations revealed a mutual belief that nutrition is the foundation of performance, not an afterthought.
In 2024, Daniela met Jonathan and Scott, the co-founders of Fuelin, in person at IRONMAN Kona, and the connection was instant. She loved what Fuelin was building and saw the potential to help athletes everywhere fuel smarter and perform better. The rest is history.
Role at Fuelin
Daniela brings her champion mindset and deep understanding of performance to Fuelin, helping shape the evolution of our product—particularly how it adapts to women’s unique physiology, health, and fueling needs. She’s also a regular guest on the Fuelin Sessions Podcast, where she joins Scott to share insights on performance, longevity, and the future of fueling.
"Less guesswork, smarter fueling, faster recovery—more time to train!"
- Nathalia C. (Endurance Runner)
"Nutrition made easy—it’s personalized to my goals, workouts, and lifestyle.”
- Mike Q. (Recreational Triathlete)
“I love how Fuelin adjusts to my workouts — a personal nutrition coach in my pocket.”
- Jack T. (Age Group Cyclist)
Yes. Whether you’re new to training or an elite athlete, Fuelin’s personalized approach works for every fitness level, age, and gender.
Yes. Our science-backed approach combines your training schedule with personalized nutrition to reduce body fat and support sustainable weight loss.
A simple visual guide for carb intake around exercise: Red = Lower, Yellow = Moderate, Green = Higher.
We don’t offer a free trial—and there’s a reason for that. Fuelin works best when you’re all in. Thousands of athletes have improved their health and performance through our personalized coaching. Nutrition can feel overwhelming, but we simplify it. Stick with us, and you’ll likely see results sooner than you expect. If something feels off, just reach out—we’re here to help.
Fuelin provides a customized nutrition plan with precise macros and calorie targets based on your dietary preferences, activities, and nutritional needs. Our goal is to make fueling your performance simple and effective.