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Sunny Stroeer

LOWA Ambassador

A strong voice for women outdoors

Sunny Stroeer, extreme mountaineer, expedition leader and founder of the Summit Scholarship Foundation, was born in Germany and grew up in a family with a deep-rooted love of the mountains. Family hikes together in the Alps characterised Sunny's childhood from an early age - even if it wasn't yet about technical mountaineering. The turning point came with her mother's 59th birthday: the family celebrated it by climbing the Breithorn in Zermatt. Without a mountain guide, but with her grandfather's historic wooden ice axe, Sunny experienced a mixture of fascination and fear - and knew on the descent that she wanted to learn how to move safely and competently in the mountains. The first spark for her mountaineering career was ignited.

PROFILE

  • YEAR OF BIRTH

    1985

  • HOMELAND

    Kanab, USA

  • OCCUPATION

    Adventure sportswoman, ambassador and outdoor entrepreneur

  • HAUSBERG

    Big Walls of Zion National Park

  • FAVOURITE CLIMBING AREA

    Yosemite and the Andes

  • Despite studying business administration and completing an MBA at Harvard Business School, Sunny decided against a traditional career in business in favour of a life full of adventure. Her first major expedition took her to Island Peak in Nepal in 2011 - an intense experience that taught her humility and made her realise the importance of knowledge and strategy in the high mountains. Numerous other expeditions followed, such as the Aconcagua in Argentina, the 104-kilometre "Aconcagua 360" route, the ascent of Kilimanjaro with her mother and the legendary El Capitan in Yosemite National Park.

Sunny developed into an endurance and adventure athlete, mountaineer and entrepreneur. Her experiences in the male-dominated world of expedition mountaineering motivated her to change things: she founded AWExpeditions, a platform for women to go on expeditions together, and later the Summit Scholarship Foundation - a US-based foundation that gives women access to mountain adventures.

She initially founded AWExpeditions, her expedition company for women. However, it soon became clear that such experiences would remain inaccessible to many as long as financial and social barriers remained. This is how the Summit Scholarship was born - as a concrete way to create access and build a network that tells women: "You belong here - and we have your back."

  • "Our foundation stands for inclusive mountain sports. It functions like a community in which the barrier to entry is simply a passion for the mountains and respect for others - not gender, skin colour or origin. It is a culture in which everyone feels they have a real chance to belong and develop. It is cooperative, not exclusionary." - summarises Sunny Stroeers' mission with the Summit Scholarship Foundation.

7 questions for Sunny

    • 1. Are there any mountains or regions that you would still like to explore?

      There are so many mountains and regions that I still want to explore. Antarctica is at the top of my list - the Ellsworth Mountains hold a special fascination for me, both because of their remoteness and the harsh, icy beauty of the continent. Kyrgyzstan and the Karakoram are also on the list, as are places like the Ennedi Desert in Chad. And after spending the summer of 2025 on Baffin Island, the wildness of the Arctic has left me wanting more. The world is still so full of unexplored corners; I consider myself lucky to be able to keep chasing them.

    • 2. How do you prepare yourself mentally and physically for extreme expeditions?

      My preparation is more of a continuous process than a hectic preparation before a big trip. Physically, I'm fortunate to have built up a robust endurance base over the last two decades that allows me to tackle many difficult objectives without much additional training. As an outdoor enthusiast and guide, I naturally spend a lot of time moving through the terrain - hiking, running and climbing - often with a heavy rucksack simulating the loads of an expedition. Physically, training is just as important. Long, solitary days in the desert and mountains are a form of meditation and mental conditioning; they teach me how to deal with discomfort and keep going when the going gets tough. Before a big goal, I spend a lot of time on logistical and strategic planning: I work intensively on equipment and nutrition, visualise the route and plan possible emergency measures. Knowing that I have all controllable factors under control gives me the mental freedom to adapt and perform when I'm out there.

    • 3. What equipment do you rely on the most on expeditions?

      On a long expedition, equipment is not just a collection of items, but a real life support system. My boots are the absolute foundation: if my feet fail, everything fails. Beyond that, I think in systems. My sleeping system (a warm, reliable sleeping bag and two sleeping mats) is crucial for recovery. My navigation system (GPS and satellite messenger) is my connection to safety and the outside world. And my clothing is a layering system that has to work in a wide range of temperatures and conditions. I rely on equipment that is simple, durable and proven.

    • 4. Do you follow a certain diet or lifestyle to support your performance?

      When I'm travelling, yes - as I pursue many goals without assistance, I focus on high-calorie and shelf-stable foods that allow me to consume as many nutrients as possible with as little weight and effort as possible. Nuts play an important role. After working with a performance nutritionist in 2024, I've started to de-prioritise carbohydrates and now rely mainly on fats and proteins, especially in my longer, low-intensity activities. At home, I am much less disciplined: I eat what I feel like eating, and plenty of it.

    • 5. Why the collaboration between LOWA and the Summit Scholarship? What are the shared values of this collaboration?

      This partnership feels incredibly natural due to our strongly aligned values. At its core, LOWA is about enabling adventure through quality, reliability and trust. You make boots that allow people to safely reach the wildest places in the world. The Summit Scholarship is also about enabling adventure and access, especially for women. We share the values of empowerment - giving people the tools they need to achieve their goals - and excellence. We both believe in setting high standards - for LOWA in the form of the craftsmanship that goes into making a mountaineering boot, and for the Summit Scholarship in the form of the quality and determination that goes into our mentoring and expedition programme. Together, we are working to create a more accessible and equitable foundation for the next generation of mountaineers.

    • 6. What advice would you give to women who want to enter the male-dominated outdoor world?

      Find like-minded people! Community is everything. Look for women's sports groups or affinity spaces where you can learn and build confidence in a supportive environment. Next, focus on your skills. Competence is the best antidote to impostor syndrome. Invest in your own education - attend courses, work with guides and develop yourself. And finally, don't be afraid to take up space. Your voice, your perspective and your presence are important - and absolutely necessary.

    • 7. What is your favourite LOWA shoe?

      For my biggest mountain goals, I rely on the 6000m EVO RD. This is the boot I trust when it comes to places like Aconcagua where it gets very, VERY cold. It provides the crucial, expedition-grade warmth you need for the summit climb, but what really sets it apart is that it's comfortable enough to live in for ten days straight in the high mountains. This combination of warmth and real long-distance comfort is exactly what I'm looking for. It's a piece of equipment that I can put on and have complete confidence in.