With many years of experience in fundraising development and non-profit management, Sonja is skilled in targeted donor acquisition, especially in the area of major donors and philanthropy. As a founding member of Right To Play Switzerland in 2004, she was instrumental in establishing the Zurich office and setting it up for a successful future. As a mother of one daughter, with a strong belief in social justice and a great interest in people and their stories, she has consistently volunteered for children in different countries. She has a degree in business administration and worked in the financial start-up industry for several years prior to Right To Play.

In addition to her involvement with Right To Play, she is a big advocate of holistic healthcare and is herself a certified BodyTalk practitioner by Dr. John Veltheim with her own practice in Zurich.