Meet the jet-setting fashion editor who turned a New York manicure at 23 into Nails.Inc—Despite selling for $40 million, she still wakes at 5:45 a.m.

Thea Green founded Nails.Inc in 1999 after noticing a gap in quick manicure services, building it into a global brand that sells one nail polish every minute. She sold the company for $40 million in 2024 but remains chair, with the business achieving $34.7 million turnover in 2025 and expanding to 30 countries.