
About us
Who We Are
We are a passionate team composed of Eric Stöcker, Jillian Jatho, and Jens Jatho, dedicated to advancing health-oriented strength training. Our mission is to make the proven health benefits of targeted strength training accessible to a broad audience. To achieve this, we conduct in-depth market and competitor analyses, identifying and leveraging growth opportunities.
- Eric brings extensive expertise in strength therapy, combined with years of experience managing large sports facilities. His organizational skills and strategic vision are key drivers of our success.
- Jillian stands out with her deep knowledge and passion for medical strength therapy. Her commitment to evidence-based training and her leadership qualities make her a dynamic force within our team. Additionally, her strong sales acumen and customer-focused approach not only strengthen existing client relationships but also inspire new audiences to join us and embrace our vision.
- Jens offers extensive experience in project management, financial planning, and corporate mergers and acquisitions. His strategic insights ensure our company is always forward-thinking and goal-oriented.
By uniting our diverse expertise, we create innovative solutions and strive to establish health-oriented strength training as a cornerstone of a healthy lifestyle in society.




J & E Krafttraining GmbH is a franchisee of Kieser Training AG and operates the Kieser Studio in Düsseldorf Oberkassel, Luegallee 52.