Koo Hye-sun patented her hair roll...He became the CEO of a venture company.

By Soyoon, Ahn

Jun 10, 2025

Koo Hye-sun patented her hair roll...He became the CEO of a venture company.
photo source = Koo Hye-sun SNS account



Actress Koo Hye-sun announced a new start as the CEO of a venture company.

On the 10th, Koo Hye-sun released a preliminary venture company confirmation letter and a welcome message received from the Venture Business Association on her personal account.

According to the released confirmation letter, Koo Hye-sun is the head of the company. The validity period is a total of three years from the 28th of last month to May 27, 2028.




The Venture Business Association congratulates Gu Hye-sun "In recognition of the entrepreneurial spirit of innovation and challenge, I sincerely congratulate you on becoming a venture-confirmed company."I hope you will work with the Venture Business Association to turn crises into opportunities and create new opportunities for growth."

Koo Hye-sun patented her hair roll...He became the CEO of a venture company.
photo source = Koo Hye-sun SNS account
Earlier in January, Koo Hye-sun appeared on the MBC entertainment program `Radio Star" and disclosed that she had patented 'Expanding Hair Roll'. The product was officially registered in December 2021 after completing the patent application in July 2020. He is said to have developed it with Lee Hae-shin, chair professor of chemistry at KAIST.

In February last year, Koo graduated from Sungkyunkwan University's Faculty of Arts after 13 years. Since then, he has applied for a master's program in the KAIST Graduate School of Science and Journalism and has finally passed the graduate admissions process in the fall semester.








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