Billionaire Harvard Dropout Powers Female Family Office Boom

Demet Mutlu, who built Turkey’s biggest e-commerce platform after dropping out of Harvard Business School, has joined a growing global wave: women gaining influence in the family office business.

Mutlu, 43, set up an investment firm in London this year to manage her fortune from online retailer Trendyol and various venture bets, according to people familiar with the matter, who asked not to be identified since the information isn’t public.

Demet Mutlu

Photographer: Levent Kulu/Getty Images

She joins other rich women in Europe, North America and the Middle East who’ve created similar firms in this historically male-dominated corner of finance, often overseeing wealth derived ...