Dr Do Hyeon Jeong received a Master of Engineering degree from Yonsei University in 1993. In 2004, Dr Jeong received his PhD in Biotechnology from Yonsei University. Since 2009 he has worked as CEO and Co-Founder of Raphas. He also worked as a professor at Osan University in South Korea. He has been a member of the steering committee of the International Conference on Microneedles from 2017. He received a prize from the President of South Korea at the end of 2017 for his achievements in the commercialisation of dissolvable microneedles.