Company: Swatch Group
Nayla Hayek was elected chairwoman of the Swatch Group, the largest manufacturer of finished watches in the world, in July 2010. Hayek, whose father co-founded the company, has been an active member of the board ever since her appointment in 1995. When her father died in 2010 he was ranked the 232nd richest person in the world with an estimated wealth of $3.9bn. In addition to her work at Swatch, Hayek also has a successful career as an international Arabian horse judge and raises Arabian horses.