Kun-ying Yen is a professor in the School of Pharmacy, Taipei Medical College. He received his Ph.D. in Pharmacology from Kyoto University (Japan), and has been engaged in research in Chinese medicine for nearly forty years. Having published over ninety papers and over ten books in Chinese and Japanese, he has made outstanding contributions to the research of Chinese medicine. Prof. Yen is currently director of the Graduate Institute of Pharmacognosy Science at Taipei Medical College, a member of the Committee on Chinese Medicine and Pharmacy, Department of Health, Executive Yuan, R.O.C., and president of the Kun-ying Yen Culture and Education Foundation.