Christoph Sievers
- Allianz Zweitwohnungen Schweiz (Board)
- Guest Association VivArosa (President)
- Marriott Vacation Club International (MVCI), (6 years as Board Member, thereof 2 years as Chairman)
Tourism related activities:
- Management of two investment portfolios with performance-focused, total return’
- Financing of SME
- Close cooperation with universal and private banks, development of a new financial product
Further activities:
Silvia Staub Sievers
- Member of the Horgen district school care
- Member of the Mothers Committee German-Swiss International School in Hong Kong
- Part of the team which established a Mothers’ Center in Horgen, first chairwoman
- Chairwoman of the Employees Association of Swiss Reinsurance Company
- Short teaching periods with various institutions for adult education
- Various assignments as tour guide for SSR (Swiss Student Travel Agengy)