Core Team

We firmly believe that complex challenges need the collaborative power of people with different backgrounds and perspectives to find a suitable solution. That’s why Project Circleg’s core team consists of eight highly motivated characters from different disciplines, who nevertheless share the same vision.



Trained industrial designer and co-driving product development. With his structured thinking skills he takes care of administration and organization. He spends his free time hiking, camping and biking.




Masters in biomedical engineering and co-driving product and business development. She enjoys doing yoga, is fluent in more than six languages and loves traveling the world.




Trained industrial designer and co-driving product development. With his flexible mindset and affinity for storytelling he shapes the communication of Project Circleg. He loves good food, doing sports and travelling.




Experienced financial manager and co-driving business development. With the punch of a boxer and the lightness of a ballerina, she pushes business development to drive positive impact. She loves doing sports and exploring the world.




A creative business developer and partnership manager. With his open manner, he represents Circleg from our base in Nairobi. Besides his strong business skills, he also has a passion for music and creativity.




Very talented engineer and co-driving product development. He creates with his expertise the industrialization and production strategy and pushes its implementation. He’s a passionate all-rounder, skydiver, a master of synthesizer and an all-weather cyclist.⁠




Experienced Business Manager and co-driving Operation and Administration. She has a passion for social impact and a very structured and organized manner to tackle challenges and bring them into practice. An early bird that likes to do sports and discover new countries all over the world.




Biomechanical Engineer with special focus on simulation. With his interconnected thinking, his pro-active nature and his engineering skills, he is pushing the product development. In his free time he loves to play Smolball.



We are looking for new team members!

We are looking for a highly motivated and passionate prosthetist to become a new team member on a part-time basis (20%). Does this position appeal to you? Reach out to us and send a mail to Looking forward to getting to know you!

Extended Team

Amputees & Prosthetists

Project Circleg is supported by experienced experts in prosthetics with extraordinary knowledge and everyday exposure. Our Swiss and East-African prosthetists and amputees make-up our Extended Team.


Thomas & Martin

As skilled and experienced prosthetists Thomas and Martin are part of the Circleg development and testing team. Both of them have gained insights in orthopaedic workshops all around the world. Read more about them in our story.



Paralympics champion and part of the Circleg development and testing team. Additionally, Beat was our Athlete at Cybathlon 2020 representing Team Circleg. Read more about him in our story.



As a sporty all-rounder with a great technical understanding he is part of the Circleg development and testing team. Andre was the lead Athlete at Cybathlon 2020 representing Team Circleg. Read more about him in our story.

Advisory Board

Advisors & Experts

Project Circleg is bolstered with an extensive network of advisors with versatile personalities from the fields of prosthetics, design, engineering, business, industry and academia. This broad know-how and wide-ranging experience helps us to further develop our vision and ensure coherence in strategic decisions.


Marc Grünenfelder

CEO of the Zindel Group AG and our first Advisor and Mentor since the start of Project Circleg. Marc is an experienced and former corporate lawyer supporting us on a wide range of issues such as general management, leadership, financial and legal matters.


Ariane Waldvogel

Executive Director of the Pro Victimis Foundation and part of the Advisory Board since 2021. Ariane advises us on topics related to fundraising & donors relations, social enterprise development and international cooperation.


Emmanuel Mayakah Onduso

Nairobi based Senior Prosthetist with over 15 years experience and in the Advisory Board since 2021. Emmanuel currently serves as the National Secretary General for the NAOTK (National Association of Orthopaedic Technologist’s in Kenya, a professional platform that brings together all practitioners in the Prosthetics and Orthotics industry.


Isabella Martini

Community Manager at Wyss Zurich Translational Center and part of the Advisory Board since 2020. Isabella is a seasoned international and multilingual 25 years experienced professional with a passion for Impact, Sustainability and Innovation. She provides us wise counsel on fundraising, business models, financials and broader strategic decisions.

Our Values

We care about why and how we do things

To this end, we have consciously identified values which best identify us, that we actively implement, promote and live in our day-to-day activities. These values provide the basis of Project Circleg as project, a team, a business, a community and an ecosystem.


We want to cultivate an honest, transparent and constructive style of communication.


We want to work with commitment and motivation to achieve our goals.


We want to be aware of where we are and what we are doing. It is important for us to reflect on our actions and thus be able to act consciously.

Team Spirit

We firmly believe that complex problems can be solved better by an interdisciplinary team with a collaborative mindset.


We want to take responsibility and actively initiate actions that have a positive effect on people and the environment.


We cultivate respect as a core value in relationships with our partners, users, customers and our environment.


We have an optimistic approach to what we do and believe that this positive thinking has a great influence on our environment and actions.