News
A brand is far more than just a product.
Whatdoes it take to build a strong brand that endures across generations?
Tanja Zimmermann-Burgerstein was a guest on Michael ‘Mike’ Bissig’s ‘LIFESTYLE by BUSINESS’ podcast. In the interview, she shares personal insights into her journey into the family business and talks about what Burgerstein means to her as a brand. A personal conversation about entrepreneurship, leadership, health – and why there are always people and convictions behind a strong brand.
Three conversations about health, challenges and shared values
What sustains us when it really matters? In a three-part series of conversations, professional sailors Oliver Heer and Tanja Zimmermann-Burgerstein discuss health as the foundation for performance, trust and responsibility – on the ocean, in professional life and in everyday life. Discover the stories behind a partnership based on shared values.
Oliver Heer Ocean Racing Campaign 2028 – we’re staying on board!
“We are delighted to continue our partnership and build on Tut gut’s success in the last Vendée Globe.” Tanja Zimmermann-Burgerstein
Sports sponsorship isn’t just about figures – it’s about emotions, stories and inspiring journeys. Oli embodies everything we stand for: passion, authenticity and the importance of good health. He is young, motivated and values family and friendship, just like us. With his charisma and sharp mind, he effortlessly connects with people everywhere. As a true ambassador for our brand, Ollie doesn’t just sail – he inspires.
A look back: Oliver Heer crossed the finish line in Les Sables d’Olonne exactly one year ago, on Monday 17 February 2025 at 6.29 pm, after 99 days. Find out more…
Burgerstein is one of the 100 most exciting Swiss companies.
Peter Röthlisberger’s book profiles companies that are shaping the Swiss economy through innovation, tradition and responsibility. The interview with Tanja Zimmermann-Burgerstein offers personal insights into our company’s ethos and history.
View the PDF.
“Tradition is a duty – but it must evolve”
In an interview with *Finanz und Wirtschaft*, Tanja Zimmermann-Burgerstein talks about how, as CEO, she strikes a balance between family tradition and modern management structures – covering generational change, trust and the art of sharing responsibility without losing sight of core values.
Tanja Zimmermann-Burgerstein on the KMU Storys podcast
Tanja Zimmermann-Burgerstein is the third-generation CEO of Antistress AG – Burgerstein Vitamine and is a guest on Oliver Steffen’s latest episode of ‘KMUStorys’. In the SVC #Podcast, the entrepreneur talks about the company’s history, internal family trials and the importance of an outside perspective gained by involving external executives, as well as the conditions that need to be created within companies to better support women at all levels.
Expansion of the Executive Board at Antistress AG
We are delighted to announce that the Executive Board of Antistress AG – Burgerstein Vitamine will be expanded as of 1 July 2024 with the appointment of Aurelia Kunz (Head of Marketing and Sales).
The Executive Board of Antistress AG is now composed as follows:
- Tanja Zimmermann-Burgerstein, CEO
- Rolf Locher, COO
- Beate Kehrli, CSO
- Marc Dufour, CFO
- Aurelia Kunz, CMO
This appointment completes the Executive Board. We are now ideally positioned for the future to continue operating successfully in the market. We look forward to working with Aurelia Kunz and to the valuable insights she will bring to her new role.
Reaching the top of the market through values and trust
How has Burgerstein Vitamine from Rapperswil managed to become the market leader in the Swiss micronutrients sector? At the OBT AG entrepreneurs’ drinks reception in Lachen, CEO Tanja Zimmermann-Burgerstein offers insights into the company’s secrets to success and its values. Click here to read the newspaper article.
Swiss SME Day 2023
Find out how Tanja Zimmermann-Burgerstein, CEO of Antistress AG – Burgerstein Vitamine, has experienced the world of entrepreneurship. Read more about her views on entrepreneurship and the role of women in leadership positions. Read the interview.
