Founder of KÖNIZ and French-Swiss, Frédéric Hänni, enjoys 25 years in luxury real estate in Paris, after a career in advertising within the VOGUE group.  This experience enabled him to build up a network of entrepreneurs, investors and large fortunes. Its legal skills as well as its network allow him to provide a turnkey service to both sellers and buyers: investment funds and private investors are treated with rigour and professional conscience.