Complex sentence: Designer Clare Vivier is a member of the Council of Fashion Designers of America (CFDA) and launched her namesake brand in 2008, which sells women's handbags and accessories.
Split into simpler sentences: Designer Clare Vivier is an American fashion designer and a member of the Council of Fashion Designers of America (CFDA). In 2008, Clare Vivier launched her namesake brand, which sells women's handbags and accessories.