‘      ’represented the golden ratio in ancient Greece and like ‘中’ later on, was used to represent harmony for all things. PHI BioMed was established by Dr. Wonjin Park of Wonjin Beauty Medical Group and Prof. Sei Kwang Hahn of POSTECH, specializing in biomaterials in the Department of Materials Science and Engineering. It is a biopharmaceutical company focusing on development of cosmetic surgery products and medical materials, biomedical products for drug administration, and regenerative medicines for tissue engineering. PHI is the combination of the first letters of Dr. Park and Professor Hahn and Incorporation. The company strives to become a global biopharmaceutical company able to compete with international pharmaceutical companies on the basis of Professor Hahn’s research activities at LG Life Science and Hoffman-La Roche using hyaluronic acid derivatives.