Koo Hye-sun and Ahn Jae-hyun divorced for five years. Life-changing hair roll patent → Venture company CEO hit the jackpot
Jul 02, 2025
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On the 2nd, Koo Hye-sun is writing a hair roll agreement with Shampoo. I also received a new KAIST clothes as a gift. Thank you!," he said hello.
Earlier, Koo Hye-sun showed her leap as an entrepreneur by releasing a patent for her own circular hair roll.
It also disclosed the 'Preliminary Venture Company Confirmation Letter' received from the head of the venture company confirmation agency.
The confirmation letter reads "We sincerely congratulate you on becoming a venture confirmation company in recognition of the entrepreneurial spirit of innovation and challenge."The validity period is approximately three years from May 28, 2024 to May 27, 2028.
Meanwhile, Gu Hye-sun made her debut as an actor in 2004 through the MBC sitcom Nonstop5. Afterwards, he appeared in dramas 19 Innocence'Boys Over Flowers'Blood'.
After graduating from Sungkyunkwan University's Department of Imaging in February last year, Koo Hye-sun passed a master's program in engineering at KAIST's Graduate School of Science and Journalism in June of the same year.
shyun@sportschosun.com
