Daiki Kikuchi (born 1990) is a Japanese journaling instructor and entrepreneur. Born in Sendai, he left a corporate career to establish his own business while also building a following as an educator in journaling and personal development. Drawing on more than a decade of personal journaling practice, he teaches methods for self-reflection, emotional awareness, and personal growth through writing. Through his YouTube channel and online community, Kikuchi has helped many people develop sustainable journaling habits. In his book Sugoi Journaling, he presents practical techniques for using writing to clarify one's values, goals, and direction in life.