Indonesia Tea Institute was established in 2017 by Ratna Somantri, a certified tea specialist who is very passionate of tea & culinary. Ratna has been involved in many tea advocacy activities in Indonesia, has spoken in many tea talk shows, as well as various radios and TVs interviews. She has written numerous articles on tea and tea-related lifestyles and several books about tea. Her profile as a tea enthusiast has been featured in several national publications.

Ratna has given many tea workshops for public and companies since 2007. The purpose of the establishment of Indonesia Tea Institute is to offer more tea classes both for public and companies who are interested in a serious tea education. In all the classes Ratna brings first-hand knowledge and expertise through formal training as well as from her various extensive treks throughout the tea-producing regions in Japan, China & Indonesia.