Kyoung-sook Her is an expert in research, education, service, and consulting on tea-related businesses. She has extensive experience in the sensory and brewing areas of both tea and coffee.

Kyoung-sook is a trainer with passion. She conducts blending consulting and menu classes based on practical experience, striving to provide the best education and consulting services through continuous research and development.

Training is conducted with the aim of instilling the understanding of tea and raising students to the level of international professionals.