Prof. Tohru Mitsunaga is full professor at Gifu University, Japan.  Currently he serves as the Vice Dean, The United Graduate School of Agricultural Science, Gifu University, Japan.  He has served as a keynote speaker at various international conferences around the world.  His research interest focuses on the area of natural product chemistry with specific research on bioactivity of plant polyphenol, potential of medicinal plants, and characterization of essential oils