World’s Richest Woman Hires McKinsey Partner for Family Firm (1)

Francoise Bettencourt Meyers, the world’s richest woman, is bolstering her family’s investment company with a hire from McKinsey & Co. amid a surge in the value of L’Oreal SA, the cosmetics giant founded by her grandfather.

The heiress’s Tethys Invest SAS named Cyrielle Villepelet as managing director to work alongside Chief Executive Officer Alexandre Benais, according to a statement Thursday. Villepelet was most recently a partner in the Paris office of consultant McKinsey, working in the luxury, fashion and consumer goods industries.

Tethys invests in areas that don’t compete with L’Oreal. Last year, it bought into ...