Sibylle is the founder of YSMA AG, a Zurich-based family office, and is also active as a board member in several Swiss companies in the finance and media industry. Previously, she was a member of the executive board of a Swiss private bank and a Swiss investment controlling company for many years and held various management positions at a major Swiss bank and a Swiss private equity company. At ADVEA, Sibylle enriches ongoing mandates for banks and independent asset managers with her expertise as a Senior Advisor, helping to bring together interesting business partners and supporting them in the further development of their business models.